Home / 228,662,557.62-342,801,023.22-99,172,639.86

Finding the Fourth Proportional to 228,662,557.62, 342,801,023.22 and 99,172,639.86

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Solution

The fourth proportional to 228,662,557.62, 342,801,023.22 and 99,172,639.86 is: 148,675,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,662,557.62 : 342,801,023.22 = 99,172,639.86 : x
  2. Step 2: Convert to fraction form
    228,662,557.62/342,801,023.22 = 99,172,639.86/x
  3. Step 3: Cross multiply
    228,662,557.62x = 342,801,023.22 × 99,172,639.86
  4. Step 4: Simplify right side
    228,662,557.62x = 33,996,482,419,436,560
  5. Step 5: Solve for x
    x = 33,996,482,419,436,560/228,662,557.62
  6. Step 6: Final answer
    x = 148,675,335.28

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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.