Home / 80,432,873.60-120,680,803.20-29,320,059.20

Finding the Fourth Proportional to 80,432,873.60, 120,680,803.20 and 29,320,059.20

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Solution

The fourth proportional to 80,432,873.60, 120,680,803.20 and 29,320,059.20 is: 43,991,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,432,873.60 : 120,680,803.20 = 29,320,059.20 : x
  2. Step 2: Convert to fraction form
    80,432,873.60/120,680,803.20 = 29,320,059.20/x
  3. Step 3: Cross multiply
    80,432,873.60x = 120,680,803.20 × 29,320,059.20
  4. Step 4: Simplify right side
    80,432,873.60x = 3,538,368,294,127,549.50
  5. Step 5: Solve for x
    x = 3,538,368,294,127,549.50/80,432,873.60
  6. Step 6: Final answer
    x = 43,991,568.82

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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.