Home / 105,983,999.10-158,981,247.45-54,965,663.10

Finding the Fourth Proportional to 105,983,999.10, 158,981,247.45 and 54,965,663.10

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Solution

The fourth proportional to 105,983,999.10, 158,981,247.45 and 54,965,663.10 is: 82,451,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,983,999.10 : 158,981,247.45 = 54,965,663.10 : x
  2. Step 2: Convert to fraction form
    105,983,999.10/158,981,247.45 = 54,965,663.10/x
  3. Step 3: Cross multiply
    105,983,999.10x = 158,981,247.45 × 54,965,663.10
  4. Step 4: Simplify right side
    105,983,999.10x = 8,738,509,686,554,434
  5. Step 5: Solve for x
    x = 8,738,509,686,554,434/105,983,999.10
  6. Step 6: Final answer
    x = 82,451,216.79

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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.