Home / 87,365,968.20-120,589,017.30-50,708,349

Finding the Fourth Proportional to 87,365,968.20, 120,589,017.30 and 50,708,349

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Solution

The fourth proportional to 87,365,968.20, 120,589,017.30 and 50,708,349 is: 69,991,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,365,968.20 : 120,589,017.30 = 50,708,349 : x
  2. Step 2: Convert to fraction form
    87,365,968.20/120,589,017.30 = 50,708,349/x
  3. Step 3: Cross multiply
    87,365,968.20x = 120,589,017.30 × 50,708,349
  4. Step 4: Simplify right side
    87,365,968.20x = 6,114,869,974,815,438
  5. Step 5: Solve for x
    x = 6,114,869,974,815,438/87,365,968.20
  6. Step 6: Final answer
    x = 69,991,440.61

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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.