Home / 129,653,469.90-194,480,537.00-52,976,498.12

Finding the Fourth Proportional to 129,653,469.90, 194,480,537.00 and 52,976,498.12

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Solution

The fourth proportional to 129,653,469.90, 194,480,537.00 and 52,976,498.12 is: 79,464,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,653,469.90 : 194,480,537.00 = 52,976,498.12 : x
  2. Step 2: Convert to fraction form
    129,653,469.90/194,480,537.00 = 52,976,498.12/x
  3. Step 3: Cross multiply
    129,653,469.90x = 194,480,537.00 × 52,976,498.12
  4. Step 4: Simplify right side
    129,653,469.90x = 10,302,897,801,776,006
  5. Step 5: Solve for x
    x = 10,302,897,801,776,006/129,653,469.90
  6. Step 6: Final answer
    x = 79,464,882.89

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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.