Home / 78,234,649.27-117,304,144.20-37,306,606.39

Finding the Fourth Proportional to 78,234,649.27, 117,304,144.20 and 37,306,606.39

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Solution

The fourth proportional to 78,234,649.27, 117,304,144.20 and 37,306,606.39 is: 55,937,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,234,649.27 : 117,304,144.20 = 37,306,606.39 : x
  2. Step 2: Convert to fraction form
    78,234,649.27/117,304,144.20 = 37,306,606.39/x
  3. Step 3: Cross multiply
    78,234,649.27x = 117,304,144.20 × 37,306,606.39
  4. Step 4: Simplify right side
    78,234,649.27x = 4,376,219,535,585,201.50
  5. Step 5: Solve for x
    x = 4,376,219,535,585,201.50/78,234,649.27
  6. Step 6: Final answer
    x = 55,937,101.74

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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.