Home / 347,857,129.90-521,785,694.85-143,279,901.10

Finding the Fourth Proportional to 347,857,129.90, 521,785,694.85 and 143,279,901.10

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Solution

The fourth proportional to 347,857,129.90, 521,785,694.85 and 143,279,901.10 is: 214,919,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,857,129.90 : 521,785,694.85 = 143,279,901.10 : x
  2. Step 2: Convert to fraction form
    347,857,129.90/521,785,694.85 = 143,279,901.10/x
  3. Step 3: Cross multiply
    347,857,129.90x = 521,785,694.85 × 143,279,901.10
  4. Step 4: Simplify right side
    347,857,129.90x = 74,761,402,753,502,784
  5. Step 5: Solve for x
    x = 74,761,402,753,502,784/347,857,129.90
  6. Step 6: Final answer
    x = 214,919,851.65

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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.