Home / 425,169,997.20-637,755,004.80-102,053,869.20

Finding the Fourth Proportional to 425,169,997.20, 637,755,004.80 and 102,053,869.20

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Solution

The fourth proportional to 425,169,997.20, 637,755,004.80 and 102,053,869.20 is: 153,080,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,997.20 : 637,755,004.80 = 102,053,869.20 : x
  2. Step 2: Convert to fraction form
    425,169,997.20/637,755,004.80 = 102,053,869.20/x
  3. Step 3: Cross multiply
    425,169,997.20x = 637,755,004.80 × 102,053,869.20
  4. Step 4: Simplify right side
    425,169,997.20x = 65,085,365,841,504,568
  5. Step 5: Solve for x
    x = 65,085,365,841,504,568/425,169,997.20
  6. Step 6: Final answer
    x = 153,080,805.96

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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.