Home / 347,857,126.90-521,785,690.35-143,279,898.10

Finding the Fourth Proportional to 347,857,126.90, 521,785,690.35 and 143,279,898.10

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Solution

The fourth proportional to 347,857,126.90, 521,785,690.35 and 143,279,898.10 is: 214,919,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,857,126.90 : 521,785,690.35 = 143,279,898.10 : x
  2. Step 2: Convert to fraction form
    347,857,126.90/521,785,690.35 = 143,279,898.10/x
  3. Step 3: Cross multiply
    347,857,126.90x = 521,785,690.35 × 143,279,898.10
  4. Step 4: Simplify right side
    347,857,126.90x = 74,761,400,543,386,160
  5. Step 5: Solve for x
    x = 74,761,400,543,386,160/347,857,126.90
  6. Step 6: Final answer
    x = 214,919,847.15

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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.