Home / 87,209,216.92-120,351,445.30-50,046,295.14

Finding the Fourth Proportional to 87,209,216.92, 120,351,445.30 and 50,046,295.14

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Solution

The fourth proportional to 87,209,216.92, 120,351,445.30 and 50,046,295.14 is: 69,065,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,216.92 : 120,351,445.30 = 50,046,295.14 : x
  2. Step 2: Convert to fraction form
    87,209,216.92/120,351,445.30 = 50,046,295.14/x
  3. Step 3: Cross multiply
    87,209,216.92x = 120,351,445.30 × 50,046,295.14
  4. Step 4: Simplify right side
    87,209,216.92x = 6,023,143,952,009,366
  5. Step 5: Solve for x
    x = 6,023,143,952,009,366/87,209,216.92
  6. Step 6: Final answer
    x = 69,065,451.62

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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.