Home / 76,652,394.30-105,780,733.76-43,612,642.74

Finding the Fourth Proportional to 76,652,394.30, 105,780,733.76 and 43,612,642.74

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Solution

The fourth proportional to 76,652,394.30, 105,780,733.76 and 43,612,642.74 is: 60,185,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652,394.30 : 105,780,733.76 = 43,612,642.74 : x
  2. Step 2: Convert to fraction form
    76,652,394.30/105,780,733.76 = 43,612,642.74/x
  3. Step 3: Cross multiply
    76,652,394.30x = 105,780,733.76 × 43,612,642.74
  4. Step 4: Simplify right side
    76,652,394.30x = 4,613,377,350,249,937
  5. Step 5: Solve for x
    x = 4,613,377,350,249,937/76,652,394.30
  6. Step 6: Final answer
    x = 60,185,691.42

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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.