Home / 103,662,237,436.57-155,493,356,154.87-29,132,220,865.21

Finding the Fourth Proportional to 103,662,237,436.57, 155,493,356,154.87 and 29,132,220,865.21

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Solution

The fourth proportional to 103,662,237,436.57, 155,493,356,154.87 and 29,132,220,865.21 is: 43,698,331,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,662,237,436.57 : 155,493,356,154.87 = 29,132,220,865.21 : x
  2. Step 2: Convert to fraction form
    103,662,237,436.57/155,493,356,154.87 = 29,132,220,865.21/x
  3. Step 3: Cross multiply
    103,662,237,436.57x = 155,493,356,154.87 × 29,132,220,865.21
  4. Step 4: Simplify right side
    103,662,237,436.57x = 4,529,866,794,576,433,381,376
  5. Step 5: Solve for x
    x = 4,529,866,794,576,433,381,376/103,662,237,436.57
  6. Step 6: Final answer
    x = 43,698,331,297.82

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Double scale
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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.