Home / 317,769,869.38-476,645,992.82-84,602,581.78

Finding the Fourth Proportional to 317,769,869.38, 476,645,992.82 and 84,602,581.78

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Solution

The fourth proportional to 317,769,869.38, 476,645,992.82 and 84,602,581.78 is: 126,901,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,769,869.38 : 476,645,992.82 = 84,602,581.78 : x
  2. Step 2: Convert to fraction form
    317,769,869.38/476,645,992.82 = 84,602,581.78/x
  3. Step 3: Cross multiply
    317,769,869.38x = 476,645,992.82 × 84,602,581.78
  4. Step 4: Simplify right side
    317,769,869.38x = 40,325,481,587,663,344
  5. Step 5: Solve for x
    x = 40,325,481,587,663,344/317,769,869.38
  6. Step 6: Final answer
    x = 126,901,526.78

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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.