Home / 105,428,047.20-158,244,082.50-50,879,033.04

Finding the Fourth Proportional to 105,428,047.20, 158,244,082.50 and 50,879,033.04

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Solution

The fourth proportional to 105,428,047.20, 158,244,082.50 and 50,879,033.04 is: 76,367,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,428,047.20 : 158,244,082.50 = 50,879,033.04 : x
  2. Step 2: Convert to fraction form
    105,428,047.20/158,244,082.50 = 50,879,033.04/x
  3. Step 3: Cross multiply
    105,428,047.20x = 158,244,082.50 × 50,879,033.04
  4. Step 4: Simplify right side
    105,428,047.20x = 8,051,305,901,901,986
  5. Step 5: Solve for x
    x = 8,051,305,901,901,986/105,428,047.20
  6. Step 6: Final answer
    x = 76,367,779.88

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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.