Home / 120,313,327.56-180,448,658.37-54,719,101.14

Finding the Fourth Proportional to 120,313,327.56, 180,448,658.37 and 54,719,101.14

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Solution

The fourth proportional to 120,313,327.56, 180,448,658.37 and 54,719,101.14 is: 82,068,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,313,327.56 : 180,448,658.37 = 54,719,101.14 : x
  2. Step 2: Convert to fraction form
    120,313,327.56/180,448,658.37 = 54,719,101.14/x
  3. Step 3: Cross multiply
    120,313,327.56x = 180,448,658.37 × 54,719,101.14
  4. Step 4: Simplify right side
    120,313,327.56x = 9,873,988,387,925,338
  5. Step 5: Solve for x
    x = 9,873,988,387,925,338/120,313,327.56
  6. Step 6: Final answer
    x = 82,068,949.37

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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.