Home / 57,847,156.12-86,725,078.79-28,680,885.30

Finding the Fourth Proportional to 57,847,156.12, 86,725,078.79 and 28,680,885.30

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Solution

The fourth proportional to 57,847,156.12, 86,725,078.79 and 28,680,885.30 is: 42,998,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,847,156.12 : 86,725,078.79 = 28,680,885.30 : x
  2. Step 2: Convert to fraction form
    57,847,156.12/86,725,078.79 = 28,680,885.30/x
  3. Step 3: Cross multiply
    57,847,156.12x = 86,725,078.79 × 28,680,885.30
  4. Step 4: Simplify right side
    57,847,156.12x = 2,487,352,037,591,267.50
  5. Step 5: Solve for x
    x = 2,487,352,037,591,267.50/57,847,156.12
  6. Step 6: Final answer
    x = 42,998,691.80

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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.