Home / 173,286,761.64-259,928,138.52-42,129,780.04

Finding the Fourth Proportional to 173,286,761.64, 259,928,138.52 and 42,129,780.04

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Solution

The fourth proportional to 173,286,761.64, 259,928,138.52 and 42,129,780.04 is: 63,194,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286,761.64 : 259,928,138.52 = 42,129,780.04 : x
  2. Step 2: Convert to fraction form
    173,286,761.64/259,928,138.52 = 42,129,780.04/x
  3. Step 3: Cross multiply
    173,286,761.64x = 259,928,138.52 × 42,129,780.04
  4. Step 4: Simplify right side
    173,286,761.64x = 10,950,715,302,054,252
  5. Step 5: Solve for x
    x = 10,950,715,302,054,252/173,286,761.64
  6. Step 6: Final answer
    x = 63,194,182.86

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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.