Home / 108,889,432.80-163,334,149.20-54,469,874.40

Finding the Fourth Proportional to 108,889,432.80, 163,334,149.20 and 54,469,874.40

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Solution

The fourth proportional to 108,889,432.80, 163,334,149.20 and 54,469,874.40 is: 81,704,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,432.80 : 163,334,149.20 = 54,469,874.40 : x
  2. Step 2: Convert to fraction form
    108,889,432.80/163,334,149.20 = 54,469,874.40/x
  3. Step 3: Cross multiply
    108,889,432.80x = 163,334,149.20 × 54,469,874.40
  4. Step 4: Simplify right side
    108,889,432.80x = 8,896,790,592,154,860
  5. Step 5: Solve for x
    x = 8,896,790,592,154,860/108,889,432.80
  6. Step 6: Final answer
    x = 81,704,811.60

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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.