Home / 107,835,118.20-161,752,677.30-77,224,116.60

Finding the Fourth Proportional to 107,835,118.20, 161,752,677.30 and 77,224,116.60

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Solution

The fourth proportional to 107,835,118.20, 161,752,677.30 and 77,224,116.60 is: 115,836,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835,118.20 : 161,752,677.30 = 77,224,116.60 : x
  2. Step 2: Convert to fraction form
    107,835,118.20/161,752,677.30 = 77,224,116.60/x
  3. Step 3: Cross multiply
    107,835,118.20x = 161,752,677.30 × 77,224,116.60
  4. Step 4: Simplify right side
    107,835,118.20x = 12,491,207,612,177,374
  5. Step 5: Solve for x
    x = 12,491,207,612,177,374/107,835,118.20
  6. Step 6: Final answer
    x = 115,836,174.90

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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.