Home / 129,904,223.60-194,856,335.40-39,016,002.80

Finding the Fourth Proportional to 129,904,223.60, 194,856,335.40 and 39,016,002.80

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Solution

The fourth proportional to 129,904,223.60, 194,856,335.40 and 39,016,002.80 is: 58,524,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,904,223.60 : 194,856,335.40 = 39,016,002.80 : x
  2. Step 2: Convert to fraction form
    129,904,223.60/194,856,335.40 = 39,016,002.80/x
  3. Step 3: Cross multiply
    129,904,223.60x = 194,856,335.40 × 39,016,002.80
  4. Step 4: Simplify right side
    129,904,223.60x = 7,602,515,327,564,139
  5. Step 5: Solve for x
    x = 7,602,515,327,564,139/129,904,223.60
  6. Step 6: Final answer
    x = 58,524,004.20

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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.