Home / 73,491,663.20-101,417,690.40-40,451,205.92

Finding the Fourth Proportional to 73,491,663.20, 101,417,690.40 and 40,451,205.92

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Solution

The fourth proportional to 73,491,663.20, 101,417,690.40 and 40,451,205.92 is: 55,822,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491,663.20 : 101,417,690.40 = 40,451,205.92 : x
  2. Step 2: Convert to fraction form
    73,491,663.20/101,417,690.40 = 40,451,205.92/x
  3. Step 3: Cross multiply
    73,491,663.20x = 101,417,690.40 × 40,451,205.92
  4. Step 4: Simplify right side
    73,491,663.20x = 4,102,467,878,301,207.50
  5. Step 5: Solve for x
    x = 4,102,467,878,301,207.50/73,491,663.20
  6. Step 6: Final answer
    x = 55,822,221.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.