Home / 90,385,936.45-124,733,958.98-50,702,263.92

Finding the Fourth Proportional to 90,385,936.45, 124,733,958.98 and 50,702,263.92

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Solution

The fourth proportional to 90,385,936.45, 124,733,958.98 and 50,702,263.92 is: 69,969,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,385,936.45 : 124,733,958.98 = 50,702,263.92 : x
  2. Step 2: Convert to fraction form
    90,385,936.45/124,733,958.98 = 50,702,263.92/x
  3. Step 3: Cross multiply
    90,385,936.45x = 124,733,958.98 × 50,702,263.92
  4. Step 4: Simplify right side
    90,385,936.45x = 6,324,294,107,990,414
  5. Step 5: Solve for x
    x = 6,324,294,107,990,414/90,385,936.45
  6. Step 6: Final answer
    x = 69,969,890.85

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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.