Home / 103,662,237,429.20-155,493,356,143.80-29,132,220,857.82

Finding the Fourth Proportional to 103,662,237,429.20, 155,493,356,143.80 and 29,132,220,857.82

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Solution

The fourth proportional to 103,662,237,429.20, 155,493,356,143.80 and 29,132,220,857.82 is: 43,698,331,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,662,237,429.20 : 155,493,356,143.80 = 29,132,220,857.82 : x
  2. Step 2: Convert to fraction form
    103,662,237,429.20/155,493,356,143.80 = 29,132,220,857.82/x
  3. Step 3: Cross multiply
    103,662,237,429.20x = 155,493,356,143.80 × 29,132,220,857.82
  4. Step 4: Simplify right side
    103,662,237,429.20x = 4,529,866,793,104,843,472,896
  5. Step 5: Solve for x
    x = 4,529,866,793,104,843,472,896/103,662,237,429.20
  6. Step 6: Final answer
    x = 43,698,331,286.73

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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.