Home / 126,061,932.45-189,037,980.66-66,961,379.73

Finding the Fourth Proportional to 126,061,932.45, 189,037,980.66 and 66,961,379.73

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Solution

The fourth proportional to 126,061,932.45, 189,037,980.66 and 66,961,379.73 is: 100,412,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,061,932.45 : 189,037,980.66 = 66,961,379.73 : x
  2. Step 2: Convert to fraction form
    126,061,932.45/189,037,980.66 = 66,961,379.73/x
  3. Step 3: Cross multiply
    126,061,932.45x = 189,037,980.66 × 66,961,379.73
  4. Step 4: Simplify right side
    126,061,932.45x = 12,658,244,006,366,656
  5. Step 5: Solve for x
    x = 12,658,244,006,366,656/126,061,932.45
  6. Step 6: Final answer
    x = 100,412,898.33

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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.