Home / 129,487,456.60-194,206,301.70-38,614,010.20

Finding the Fourth Proportional to 129,487,456.60, 194,206,301.70 and 38,614,010.20

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Solution

The fourth proportional to 129,487,456.60, 194,206,301.70 and 38,614,010.20 is: 57,913,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,456.60 : 194,206,301.70 = 38,614,010.20 : x
  2. Step 2: Convert to fraction form
    129,487,456.60/194,206,301.70 = 38,614,010.20/x
  3. Step 3: Cross multiply
    129,487,456.60x = 194,206,301.70 × 38,614,010.20
  4. Step 4: Simplify right side
    129,487,456.60x = 7,499,084,114,748,077
  5. Step 5: Solve for x
    x = 7,499,084,114,748,077/129,487,456.60
  6. Step 6: Final answer
    x = 57,913,594.97

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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.