Home / 231,211,875.40-319,081,587.92-126,793,691.64

Finding the Fourth Proportional to 231,211,875.40, 319,081,587.92 and 126,793,691.64

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Solution

The fourth proportional to 231,211,875.40, 319,081,587.92 and 126,793,691.64 is: 174,980,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,211,875.40 : 319,081,587.92 = 126,793,691.64 : x
  2. Step 2: Convert to fraction form
    231,211,875.40/319,081,587.92 = 126,793,691.64/x
  3. Step 3: Cross multiply
    231,211,875.40x = 319,081,587.92 × 126,793,691.64
  4. Step 4: Simplify right side
    231,211,875.40x = 40,457,532,466,730,032
  5. Step 5: Solve for x
    x = 40,457,532,466,730,032/231,211,875.40
  6. Step 6: Final answer
    x = 174,980,339.56

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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.