Home / 87,209,214.92-120,351,442.54-50,046,293.15

Finding the Fourth Proportional to 87,209,214.92, 120,351,442.54 and 50,046,293.15

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Solution

The fourth proportional to 87,209,214.92, 120,351,442.54 and 50,046,293.15 is: 69,065,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,214.92 : 120,351,442.54 = 50,046,293.15 : x
  2. Step 2: Convert to fraction form
    87,209,214.92/120,351,442.54 = 50,046,293.15/x
  3. Step 3: Cross multiply
    87,209,214.92x = 120,351,442.54 × 50,046,293.15
  4. Step 4: Simplify right side
    87,209,214.92x = 6,023,143,573,655,348
  5. Step 5: Solve for x
    x = 6,023,143,573,655,348/87,209,214.92
  6. Step 6: Final answer
    x = 69,065,448.87

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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.