Home / 129,413,259.60-194,230,114.20-52,791,277.20

Finding the Fourth Proportional to 129,413,259.60, 194,230,114.20 and 52,791,277.20

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Solution

The fourth proportional to 129,413,259.60, 194,230,114.20 and 52,791,277.20 is: 79,231,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,413,259.60 : 194,230,114.20 = 52,791,277.20 : x
  2. Step 2: Convert to fraction form
    129,413,259.60/194,230,114.20 = 52,791,277.20/x
  3. Step 3: Cross multiply
    129,413,259.60x = 194,230,114.20 × 52,791,277.20
  4. Step 4: Simplify right side
    129,413,259.60x = 10,253,655,799,319,856
  5. Step 5: Solve for x
    x = 10,253,655,799,319,856/129,413,259.60
  6. Step 6: Final answer
    x = 79,231,879.57

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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.