Home / 89,336,325.75-123,287,835.96-49,643,708.27

Finding the Fourth Proportional to 89,336,325.75, 123,287,835.96 and 49,643,708.27

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Solution

The fourth proportional to 89,336,325.75, 123,287,835.96 and 49,643,708.27 is: 68,510,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,336,325.75 : 123,287,835.96 = 49,643,708.27 : x
  2. Step 2: Convert to fraction form
    89,336,325.75/123,287,835.96 = 49,643,708.27/x
  3. Step 3: Cross multiply
    89,336,325.75x = 123,287,835.96 × 49,643,708.27
  4. Step 4: Simplify right side
    89,336,325.75x = 6,120,465,361,021,416
  5. Step 5: Solve for x
    x = 6,120,465,361,021,416/89,336,325.75
  6. Step 6: Final answer
    x = 68,510,377.05

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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.