Home / 87,336,033.20-131,004,049.80-78,832,977.20

Finding the Fourth Proportional to 87,336,033.20, 131,004,049.80 and 78,832,977.20

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Solution

The fourth proportional to 87,336,033.20, 131,004,049.80 and 78,832,977.20 is: 118,249,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336,033.20 : 131,004,049.80 = 78,832,977.20 : x
  2. Step 2: Convert to fraction form
    87,336,033.20/131,004,049.80 = 78,832,977.20/x
  3. Step 3: Cross multiply
    87,336,033.20x = 131,004,049.80 × 78,832,977.20
  4. Step 4: Simplify right side
    87,336,033.20x = 10,327,439,270,991,064
  5. Step 5: Solve for x
    x = 10,327,439,270,991,064/87,336,033.20
  6. Step 6: Final answer
    x = 118,249,465.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.