Home / 42,045,145.20-63,067,717.80-14,782,221.90

Finding the Fourth Proportional to 42,045,145.20, 63,067,717.80 and 14,782,221.90

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Solution

The fourth proportional to 42,045,145.20, 63,067,717.80 and 14,782,221.90 is: 22,173,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045,145.20 : 63,067,717.80 = 14,782,221.90 : x
  2. Step 2: Convert to fraction form
    42,045,145.20/63,067,717.80 = 14,782,221.90/x
  3. Step 3: Cross multiply
    42,045,145.20x = 63,067,717.80 × 14,782,221.90
  4. Step 4: Simplify right side
    42,045,145.20x = 932,280,999,246,179.75
  5. Step 5: Solve for x
    x = 932,280,999,246,179.75/42,045,145.20
  6. Step 6: Final answer
    x = 22,173,332.85

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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.