Home / 92,520,007.20-138,780,010.80-65,646,151.20

Finding the Fourth Proportional to 92,520,007.20, 138,780,010.80 and 65,646,151.20

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Solution

The fourth proportional to 92,520,007.20, 138,780,010.80 and 65,646,151.20 is: 98,469,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,520,007.20 : 138,780,010.80 = 65,646,151.20 : x
  2. Step 2: Convert to fraction form
    92,520,007.20/138,780,010.80 = 65,646,151.20/x
  3. Step 3: Cross multiply
    92,520,007.20x = 138,780,010.80 × 65,646,151.20
  4. Step 4: Simplify right side
    92,520,007.20x = 9,110,373,572,514,434
  5. Step 5: Solve for x
    x = 9,110,373,572,514,434/92,520,007.20
  6. Step 6: Final answer
    x = 98,469,226.80

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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.