Home / 187,217,658.60-280,826,487.90-125,995,655.40

Finding the Fourth Proportional to 187,217,658.60, 280,826,487.90 and 125,995,655.40

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Solution

The fourth proportional to 187,217,658.60, 280,826,487.90 and 125,995,655.40 is: 188,993,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,217,658.60 : 280,826,487.90 = 125,995,655.40 : x
  2. Step 2: Convert to fraction form
    187,217,658.60/280,826,487.90 = 125,995,655.40/x
  3. Step 3: Cross multiply
    187,217,658.60x = 280,826,487.90 × 125,995,655.40
  4. Step 4: Simplify right side
    187,217,658.60x = 35,382,917,396,640,668
  5. Step 5: Solve for x
    x = 35,382,917,396,640,668/187,217,658.60
  6. Step 6: Final answer
    x = 188,993,483.10

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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.