Home / 99,634,560.12-137,495,311.20-55,581,523.92

Finding the Fourth Proportional to 99,634,560.12, 137,495,311.20 and 55,581,523.92

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Solution

The fourth proportional to 99,634,560.12, 137,495,311.20 and 55,581,523.92 is: 76,702,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,634,560.12 : 137,495,311.20 = 55,581,523.92 : x
  2. Step 2: Convert to fraction form
    99,634,560.12/137,495,311.20 = 55,581,523.92/x
  3. Step 3: Cross multiply
    99,634,560.12x = 137,495,311.20 × 55,581,523.92
  4. Step 4: Simplify right side
    99,634,560.12x = 7,642,198,928,350,643
  5. Step 5: Solve for x
    x = 7,642,198,928,350,643/99,634,560.12
  6. Step 6: Final answer
    x = 76,702,290.04

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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.