Home / 87,209,214.17-120,351,441.50-50,046,292.40

Finding the Fourth Proportional to 87,209,214.17, 120,351,441.50 and 50,046,292.40

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Solution

The fourth proportional to 87,209,214.17, 120,351,441.50 and 50,046,292.40 is: 69,065,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,214.17 : 120,351,441.50 = 50,046,292.40 : x
  2. Step 2: Convert to fraction form
    87,209,214.17/120,351,441.50 = 50,046,292.40/x
  3. Step 3: Cross multiply
    87,209,214.17x = 120,351,441.50 × 50,046,292.40
  4. Step 4: Simplify right side
    87,209,214.17x = 6,023,143,431,406,180
  5. Step 5: Solve for x
    x = 6,023,143,431,406,180/87,209,214.17
  6. Step 6: Final answer
    x = 69,065,447.83

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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.