Home / 82,574,425.20-123,857,701.20-27,981,656.40

Finding the Fourth Proportional to 82,574,425.20, 123,857,701.20 and 27,981,656.40

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Solution

The fourth proportional to 82,574,425.20, 123,857,701.20 and 27,981,656.40 is: 41,971,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,574,425.20 : 123,857,701.20 = 27,981,656.40 : x
  2. Step 2: Convert to fraction form
    82,574,425.20/123,857,701.20 = 27,981,656.40/x
  3. Step 3: Cross multiply
    82,574,425.20x = 123,857,701.20 × 27,981,656.40
  4. Step 4: Simplify right side
    82,574,425.20x = 3,465,743,637,472,267.50
  5. Step 5: Solve for x
    x = 3,465,743,637,472,267.50/82,574,425.20
  6. Step 6: Final answer
    x = 41,971,150.62

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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.