Home / 131,040,043.30-196,560,064.95-129,339,432.10

Finding the Fourth Proportional to 131,040,043.30, 196,560,064.95 and 129,339,432.10

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Solution

The fourth proportional to 131,040,043.30, 196,560,064.95 and 129,339,432.10 is: 194,009,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040,043.30 : 196,560,064.95 = 129,339,432.10 : x
  2. Step 2: Convert to fraction form
    131,040,043.30/196,560,064.95 = 129,339,432.10/x
  3. Step 3: Cross multiply
    131,040,043.30x = 196,560,064.95 × 129,339,432.10
  4. Step 4: Simplify right side
    131,040,043.30x = 25,422,967,174,172,112
  5. Step 5: Solve for x
    x = 25,422,967,174,172,112/131,040,043.30
  6. Step 6: Final answer
    x = 194,009,148.15

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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.