Home / 225,974,403.40-338,961,605.10-72,635,960.20

Finding the Fourth Proportional to 225,974,403.40, 338,961,605.10 and 72,635,960.20

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Solution

The fourth proportional to 225,974,403.40, 338,961,605.10 and 72,635,960.20 is: 108,953,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,974,403.40 : 338,961,605.10 = 72,635,960.20 : x
  2. Step 2: Convert to fraction form
    225,974,403.40/338,961,605.10 = 72,635,960.20/x
  3. Step 3: Cross multiply
    225,974,403.40x = 338,961,605.10 × 72,635,960.20
  4. Step 4: Simplify right side
    225,974,403.40x = 24,620,801,657,371,720
  5. Step 5: Solve for x
    x = 24,620,801,657,371,720/225,974,403.40
  6. Step 6: Final answer
    x = 108,953,940.30

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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.