Home / 400,132,731.68-600,115,115.52-112,851,211.04

Finding the Fourth Proportional to 400,132,731.68, 600,115,115.52 and 112,851,211.04

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Solution

The fourth proportional to 400,132,731.68, 600,115,115.52 and 112,851,211.04 is: 169,253,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,132,731.68 : 600,115,115.52 = 112,851,211.04 : x
  2. Step 2: Convert to fraction form
    400,132,731.68/600,115,115.52 = 112,851,211.04/x
  3. Step 3: Cross multiply
    400,132,731.68x = 600,115,115.52 × 112,851,211.04
  4. Step 4: Simplify right side
    400,132,731.68x = 67,723,717,549,841,504
  5. Step 5: Solve for x
    x = 67,723,717,549,841,504/400,132,731.68
  6. Step 6: Final answer
    x = 169,253,130.74

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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.