Home / 78,732,136.85-118,098,205.28-50,105,181.65

Finding the Fourth Proportional to 78,732,136.85, 118,098,205.28 and 50,105,181.65

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Solution

The fourth proportional to 78,732,136.85, 118,098,205.28 and 50,105,181.65 is: 75,157,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,136.85 : 118,098,205.28 = 50,105,181.65 : x
  2. Step 2: Convert to fraction form
    78,732,136.85/118,098,205.28 = 50,105,181.65/x
  3. Step 3: Cross multiply
    78,732,136.85x = 118,098,205.28 × 50,105,181.65
  4. Step 4: Simplify right side
    78,732,136.85x = 5,917,332,027,842,863
  5. Step 5: Solve for x
    x = 5,917,332,027,842,863/78,732,136.85
  6. Step 6: Final answer
    x = 75,157,772.48

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Similar ratio
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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.