Home / 87,209,108.04-120,351,292.83-50,046,185.28

Finding the Fourth Proportional to 87,209,108.04, 120,351,292.83 and 50,046,185.28

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Solution

The fourth proportional to 87,209,108.04, 120,351,292.83 and 50,046,185.28 is: 69,065,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,108.04 : 120,351,292.83 = 50,046,185.28 : x
  2. Step 2: Convert to fraction form
    87,209,108.04/120,351,292.83 = 50,046,185.28/x
  3. Step 3: Cross multiply
    87,209,108.04x = 120,351,292.83 × 50,046,185.28
  4. Step 4: Simplify right side
    87,209,108.04x = 6,023,123,099,657,716
  5. Step 5: Solve for x
    x = 6,023,123,099,657,716/87,209,108.04
  6. Step 6: Final answer
    x = 69,065,298.74

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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.