Home / 52,002,680.10-78,004,020.15-39,153,617.70

Finding the Fourth Proportional to 52,002,680.10, 78,004,020.15 and 39,153,617.70

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Solution

The fourth proportional to 52,002,680.10, 78,004,020.15 and 39,153,617.70 is: 58,730,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,680.10 : 78,004,020.15 = 39,153,617.70 : x
  2. Step 2: Convert to fraction form
    52,002,680.10/78,004,020.15 = 39,153,617.70/x
  3. Step 3: Cross multiply
    52,002,680.10x = 78,004,020.15 × 39,153,617.70
  4. Step 4: Simplify right side
    52,002,680.10x = 3,054,139,584,016,197
  5. Step 5: Solve for x
    x = 3,054,139,584,016,197/52,002,680.10
  6. Step 6: Final answer
    x = 58,730,426.55

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Similar ratio
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1.5x scale

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.