Home / 126,032,179.84-188,972,687.04-57,789,381.76

Finding the Fourth Proportional to 126,032,179.84, 188,972,687.04 and 57,789,381.76

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Solution

The fourth proportional to 126,032,179.84, 188,972,687.04 and 57,789,381.76 is: 86,649,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032,179.84 : 188,972,687.04 = 57,789,381.76 : x
  2. Step 2: Convert to fraction form
    126,032,179.84/188,972,687.04 = 57,789,381.76/x
  3. Step 3: Cross multiply
    126,032,179.84x = 188,972,687.04 × 57,789,381.76
  4. Step 4: Simplify right side
    126,032,179.84x = 10,920,614,753,567,564
  5. Step 5: Solve for x
    x = 10,920,614,753,567,564/126,032,179.84
  6. Step 6: Final answer
    x = 86,649,415.79

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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.