Home / 129,487,727.60-194,206,708.20-38,614,281.20

Finding the Fourth Proportional to 129,487,727.60, 194,206,708.20 and 38,614,281.20

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Solution

The fourth proportional to 129,487,727.60, 194,206,708.20 and 38,614,281.20 is: 57,914,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,727.60 : 194,206,708.20 = 38,614,281.20 : x
  2. Step 2: Convert to fraction form
    129,487,727.60/194,206,708.20 = 38,614,281.20/x
  3. Step 3: Cross multiply
    129,487,727.60x = 194,206,708.20 × 38,614,281.20
  4. Step 4: Simplify right side
    129,487,727.60x = 7,499,152,441,361,146
  5. Step 5: Solve for x
    x = 7,499,152,441,361,146/129,487,727.60
  6. Step 6: Final answer
    x = 57,914,001.43

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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.