Home / 83,868,834.28-115,738,754.34-47,199,405.32

Finding the Fourth Proportional to 83,868,834.28, 115,738,754.34 and 47,199,405.32

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Solution

The fourth proportional to 83,868,834.28, 115,738,754.34 and 47,199,405.32 is: 65,135,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868,834.28 : 115,738,754.34 = 47,199,405.32 : x
  2. Step 2: Convert to fraction form
    83,868,834.28/115,738,754.34 = 47,199,405.32/x
  3. Step 3: Cross multiply
    83,868,834.28x = 115,738,754.34 × 47,199,405.32
  4. Step 4: Simplify right side
    83,868,834.28x = 5,462,800,377,325,569
  5. Step 5: Solve for x
    x = 5,462,800,377,325,569/83,868,834.28
  6. Step 6: Final answer
    x = 65,135,045.98

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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.