Home / 129,668,283.22-194,516,046.75-42,236,613.64

Finding the Fourth Proportional to 129,668,283.22, 194,516,046.75 and 42,236,613.64

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Solution

The fourth proportional to 129,668,283.22, 194,516,046.75 and 42,236,613.64 is: 63,359,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,668,283.22 : 194,516,046.75 = 42,236,613.64 : x
  2. Step 2: Convert to fraction form
    129,668,283.22/194,516,046.75 = 42,236,613.64/x
  3. Step 3: Cross multiply
    129,668,283.22x = 194,516,046.75 × 42,236,613.64
  4. Step 4: Simplify right side
    129,668,283.22x = 8,215,699,112,387,347
  5. Step 5: Solve for x
    x = 8,215,699,112,387,347/129,668,283.22
  6. Step 6: Final answer
    x = 63,359,357.50

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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.