Home / 173,286,763.62-259,928,141.52-42,129,782.04

Finding the Fourth Proportional to 173,286,763.62, 259,928,141.52 and 42,129,782.04

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Solution

The fourth proportional to 173,286,763.62, 259,928,141.52 and 42,129,782.04 is: 63,194,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286,763.62 : 259,928,141.52 = 42,129,782.04 : x
  2. Step 2: Convert to fraction form
    173,286,763.62/259,928,141.52 = 42,129,782.04/x
  3. Step 3: Cross multiply
    173,286,763.62x = 259,928,141.52 × 42,129,782.04
  4. Step 4: Simplify right side
    173,286,763.62x = 10,950,715,948,299,874
  5. Step 5: Solve for x
    x = 10,950,715,948,299,874/173,286,763.62
  6. Step 6: Final answer
    x = 63,194,185.87

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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.