Home / 103,662,237,440.15-155,493,356,160.21-29,132,220,868.78

Finding the Fourth Proportional to 103,662,237,440.15, 155,493,356,160.21 and 29,132,220,868.78

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Solution

The fourth proportional to 103,662,237,440.15, 155,493,356,160.21 and 29,132,220,868.78 is: 43,698,331,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,662,237,440.15 : 155,493,356,160.21 = 29,132,220,868.78 : x
  2. Step 2: Convert to fraction form
    103,662,237,440.15/155,493,356,160.21 = 29,132,220,868.78/x
  3. Step 3: Cross multiply
    103,662,237,440.15x = 155,493,356,160.21 × 29,132,220,868.78
  4. Step 4: Simplify right side
    103,662,237,440.15x = 4,529,866,795,287,110,483,968
  5. Step 5: Solve for x
    x = 4,529,866,795,287,110,483,968/103,662,237,440.15
  6. Step 6: Final answer
    x = 43,698,331,303.17

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Half scale
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Double scale
Find fourth proportional to 103,662,237,441.15, 155,493,356,161.71 and 29,132,220,869.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.