Home / 129,406,691.10-194,206,442.40-94,952,125.89

Finding the Fourth Proportional to 129,406,691.10, 194,206,442.40 and 94,952,125.89

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Solution

The fourth proportional to 129,406,691.10, 194,206,442.40 and 94,952,125.89 is: 142,498,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,406,691.10 : 194,206,442.40 = 94,952,125.89 : x
  2. Step 2: Convert to fraction form
    129,406,691.10/194,206,442.40 = 94,952,125.89/x
  3. Step 3: Cross multiply
    129,406,691.10x = 194,206,442.40 × 94,952,125.89
  4. Step 4: Simplify right side
    129,406,691.10x = 18,440,314,567,413,836
  5. Step 5: Solve for x
    x = 18,440,314,567,413,836/129,406,691.10
  6. Step 6: Final answer
    x = 142,498,926.53

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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.