Home / 132,203,557.20-198,336,828.60-63,990,152.40

Finding the Fourth Proportional to 132,203,557.20, 198,336,828.60 and 63,990,152.40

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Solution

The fourth proportional to 132,203,557.20, 198,336,828.60 and 63,990,152.40 is: 96,000,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,203,557.20 : 198,336,828.60 = 63,990,152.40 : x
  2. Step 2: Convert to fraction form
    132,203,557.20/198,336,828.60 = 63,990,152.40/x
  3. Step 3: Cross multiply
    132,203,557.20x = 198,336,828.60 × 63,990,152.40
  4. Step 4: Simplify right side
    132,203,557.20x = 12,691,603,888,646,678
  5. Step 5: Solve for x
    x = 12,691,603,888,646,678/132,203,557.20
  6. Step 6: Final answer
    x = 96,000,471.98

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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.