Home / 87,216,217.92-120,352,957.70-48,055,803.21

Finding the Fourth Proportional to 87,216,217.92, 120,352,957.70 and 48,055,803.21

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Solution

The fourth proportional to 87,216,217.92, 120,352,957.70 and 48,055,803.21 is: 66,314,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,217.92 : 120,352,957.70 = 48,055,803.21 : x
  2. Step 2: Convert to fraction form
    87,216,217.92/120,352,957.70 = 48,055,803.21/x
  3. Step 3: Cross multiply
    87,216,217.92x = 120,352,957.70 × 48,055,803.21
  4. Step 4: Simplify right side
    87,216,217.92x = 5,783,658,050,972,654
  5. Step 5: Solve for x
    x = 5,783,658,050,972,654/87,216,217.92
  6. Step 6: Final answer
    x = 66,314,020.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.