Home / 67,068,376.80-100,478,562.30-38,228,845.20

Finding the Fourth Proportional to 67,068,376.80, 100,478,562.30 and 38,228,845.20

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Solution

The fourth proportional to 67,068,376.80, 100,478,562.30 and 38,228,845.20 is: 57,272,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,376.80 : 100,478,562.30 = 38,228,845.20 : x
  2. Step 2: Convert to fraction form
    67,068,376.80/100,478,562.30 = 38,228,845.20/x
  3. Step 3: Cross multiply
    67,068,376.80x = 100,478,562.30 × 38,228,845.20
  4. Step 4: Simplify right side
    67,068,376.80x = 3,841,179,404,085,256
  5. Step 5: Solve for x
    x = 3,841,179,404,085,256/67,068,376.80
  6. Step 6: Final answer
    x = 57,272,586.39

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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.