Home / 431,723,213.52-647,630,226.40-140,613,045.90

Finding the Fourth Proportional to 431,723,213.52, 647,630,226.40 and 140,613,045.90

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Solution

The fourth proportional to 431,723,213.52, 647,630,226.40 and 140,613,045.90 is: 210,934,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,723,213.52 : 647,630,226.40 = 140,613,045.90 : x
  2. Step 2: Convert to fraction form
    431,723,213.52/647,630,226.40 = 140,613,045.90/x
  3. Step 3: Cross multiply
    431,723,213.52x = 647,630,226.40 × 140,613,045.90
  4. Step 4: Simplify right side
    431,723,213.52x = 91,065,258,751,010,592
  5. Step 5: Solve for x
    x = 91,065,258,751,010,592/431,723,213.52
  6. Step 6: Final answer
    x = 210,934,357.71

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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.