Home / 144,719,613.20-217,016,434.20-47,637,808.40

Finding the Fourth Proportional to 144,719,613.20, 217,016,434.20 and 47,637,808.40

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Solution

The fourth proportional to 144,719,613.20, 217,016,434.20 and 47,637,808.40 is: 71,435,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,719,613.20 : 217,016,434.20 = 47,637,808.40 : x
  2. Step 2: Convert to fraction form
    144,719,613.20/217,016,434.20 = 47,637,808.40/x
  3. Step 3: Cross multiply
    144,719,613.20x = 217,016,434.20 × 47,637,808.40
  4. Step 4: Simplify right side
    144,719,613.20x = 10,338,187,312,070,806
  5. Step 5: Solve for x
    x = 10,338,187,312,070,806/144,719,613.20
  6. Step 6: Final answer
    x = 71,435,979.43

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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.