Home / 84,005,025.60-125,986,543.20-32,178,374.40

Finding the Fourth Proportional to 84,005,025.60, 125,986,543.20 and 32,178,374.40

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Solution

The fourth proportional to 84,005,025.60, 125,986,543.20 and 32,178,374.40 is: 48,259,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,005,025.60 : 125,986,543.20 = 32,178,374.40 : x
  2. Step 2: Convert to fraction form
    84,005,025.60/125,986,543.20 = 32,178,374.40/x
  3. Step 3: Cross multiply
    84,005,025.60x = 125,986,543.20 × 32,178,374.40
  4. Step 4: Simplify right side
    84,005,025.60x = 4,054,042,156,451,374
  5. Step 5: Solve for x
    x = 4,054,042,156,451,374/84,005,025.60
  6. Step 6: Final answer
    x = 48,259,519.33

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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.