Home / 76,767,136.20-115,402,646.70-54,204,294.60

Finding the Fourth Proportional to 76,767,136.20, 115,402,646.70 and 54,204,294.60

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Solution

The fourth proportional to 76,767,136.20, 115,402,646.70 and 54,204,294.60 is: 81,484,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767,136.20 : 115,402,646.70 = 54,204,294.60 : x
  2. Step 2: Convert to fraction form
    76,767,136.20/115,402,646.70 = 54,204,294.60/x
  3. Step 3: Cross multiply
    76,767,136.20x = 115,402,646.70 × 54,204,294.60
  4. Step 4: Simplify right side
    76,767,136.20x = 6,255,319,059,346,518
  5. Step 5: Solve for x
    x = 6,255,319,059,346,518/76,767,136.20
  6. Step 6: Final answer
    x = 81,484,335.21

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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.