Home / 124,513,439.09-187,053,593.83-90,076,062.29

Finding the Fourth Proportional to 124,513,439.09, 187,053,593.83 and 90,076,062.29

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Solution

The fourth proportional to 124,513,439.09, 187,053,593.83 and 90,076,062.29 is: 135,319,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,513,439.09 : 187,053,593.83 = 90,076,062.29 : x
  2. Step 2: Convert to fraction form
    124,513,439.09/187,053,593.83 = 90,076,062.29/x
  3. Step 3: Cross multiply
    124,513,439.09x = 187,053,593.83 × 90,076,062.29
  4. Step 4: Simplify right side
    124,513,439.09x = 16,849,051,169,399,442
  5. Step 5: Solve for x
    x = 16,849,051,169,399,442/124,513,439.09
  6. Step 6: Final answer
    x = 135,319,137.38

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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.