Home / 120,303,864.32-166,015,037.18-68,091,778.96

Finding the Fourth Proportional to 120,303,864.32, 166,015,037.18 and 68,091,778.96

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Solution

The fourth proportional to 120,303,864.32, 166,015,037.18 and 68,091,778.96 is: 93,964,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,864.32 : 166,015,037.18 = 68,091,778.96 : x
  2. Step 2: Convert to fraction form
    120,303,864.32/166,015,037.18 = 68,091,778.96/x
  3. Step 3: Cross multiply
    120,303,864.32x = 166,015,037.18 × 68,091,778.96
  4. Step 4: Simplify right side
    120,303,864.32x = 11,304,259,215,451,934
  5. Step 5: Solve for x
    x = 11,304,259,215,451,934/120,303,864.32
  6. Step 6: Final answer
    x = 93,964,223.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.