Home / 72,581,489.60-108,872,234.40-32,191,973.60

Finding the Fourth Proportional to 72,581,489.60, 108,872,234.40 and 32,191,973.60

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Solution

The fourth proportional to 72,581,489.60, 108,872,234.40 and 32,191,973.60 is: 48,287,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,489.60 : 108,872,234.40 = 32,191,973.60 : x
  2. Step 2: Convert to fraction form
    72,581,489.60/108,872,234.40 = 32,191,973.60/x
  3. Step 3: Cross multiply
    72,581,489.60x = 108,872,234.40 × 32,191,973.60
  4. Step 4: Simplify right side
    72,581,489.60x = 3,504,812,095,577,812
  5. Step 5: Solve for x
    x = 3,504,812,095,577,812/72,581,489.60
  6. Step 6: Final answer
    x = 48,287,960.40

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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.