Home / 87,551,166.60-131,137,793.10-72,434,622.60

Finding the Fourth Proportional to 87,551,166.60, 131,137,793.10 and 72,434,622.60

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Solution

The fourth proportional to 87,551,166.60, 131,137,793.10 and 72,434,622.60 is: 108,495,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551,166.60 : 131,137,793.10 = 72,434,622.60 : x
  2. Step 2: Convert to fraction form
    87,551,166.60/131,137,793.10 = 72,434,622.60/x
  3. Step 3: Cross multiply
    87,551,166.60x = 131,137,793.10 × 72,434,622.60
  4. Step 4: Simplify right side
    87,551,166.60x = 9,498,916,551,795,382
  5. Step 5: Solve for x
    x = 9,498,916,551,795,382/87,551,166.60
  6. Step 6: Final answer
    x = 108,495,602.29

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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.