Home / 129,603,190.52-194,404,972.86-52,926,218.73

Finding the Fourth Proportional to 129,603,190.52, 194,404,972.86 and 52,926,218.73

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Solution

The fourth proportional to 129,603,190.52, 194,404,972.86 and 52,926,218.73 is: 79,389,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,603,190.52 : 194,404,972.86 = 52,926,218.73 : x
  2. Step 2: Convert to fraction form
    129,603,190.52/194,404,972.86 = 52,926,218.73/x
  3. Step 3: Cross multiply
    129,603,190.52x = 194,404,972.86 × 52,926,218.73
  4. Step 4: Simplify right side
    129,603,190.52x = 10,289,120,115,788,074
  5. Step 5: Solve for x
    x = 10,289,120,115,788,074/129,603,190.52
  6. Step 6: Final answer
    x = 79,389,404.50

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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.