Home / 242,023,603.70-363,068,583.15-80,448,691.70

Finding the Fourth Proportional to 242,023,603.70, 363,068,583.15 and 80,448,691.70

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Solution

The fourth proportional to 242,023,603.70, 363,068,583.15 and 80,448,691.70 is: 120,684,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,023,603.70 : 363,068,583.15 = 80,448,691.70 : x
  2. Step 2: Convert to fraction form
    242,023,603.70/363,068,583.15 = 80,448,691.70/x
  3. Step 3: Cross multiply
    242,023,603.70x = 363,068,583.15 × 80,448,691.70
  4. Step 4: Simplify right side
    242,023,603.70x = 29,208,392,511,790,164
  5. Step 5: Solve for x
    x = 29,208,392,511,790,164/242,023,603.70
  6. Step 6: Final answer
    x = 120,684,065.79

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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.