Home / 130,810,687.38-196,244,761.83-38,687,243.28

Finding the Fourth Proportional to 130,810,687.38, 196,244,761.83 and 38,687,243.28

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Solution

The fourth proportional to 130,810,687.38, 196,244,761.83 and 38,687,243.28 is: 58,039,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810,687.38 : 196,244,761.83 = 38,687,243.28 : x
  2. Step 2: Convert to fraction form
    130,810,687.38/196,244,761.83 = 38,687,243.28/x
  3. Step 3: Cross multiply
    130,810,687.38x = 196,244,761.83 × 38,687,243.28
  4. Step 4: Simplify right side
    130,810,687.38x = 7,592,168,843,342,869
  5. Step 5: Solve for x
    x = 7,592,168,843,342,869/130,810,687.38
  6. Step 6: Final answer
    x = 58,039,362.04

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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.