Home / 86,780,476.89-119,757,961.50-47,624,789.73

Finding the Fourth Proportional to 86,780,476.89, 119,757,961.50 and 47,624,789.73

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Solution

The fourth proportional to 86,780,476.89, 119,757,961.50 and 47,624,789.73 is: 65,722,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,780,476.89 : 119,757,961.50 = 47,624,789.73 : x
  2. Step 2: Convert to fraction form
    86,780,476.89/119,757,961.50 = 47,624,789.73/x
  3. Step 3: Cross multiply
    86,780,476.89x = 119,757,961.50 × 47,624,789.73
  4. Step 4: Simplify right side
    86,780,476.89x = 5,703,447,734,930,935
  5. Step 5: Solve for x
    x = 5,703,447,734,930,935/86,780,476.89
  6. Step 6: Final answer
    x = 65,722,705.61

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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.