Home / 238,174,470.28-357,222,079.70-72,138,499.44

Finding the Fourth Proportional to 238,174,470.28, 357,222,079.70 and 72,138,499.44

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Solution

The fourth proportional to 238,174,470.28, 357,222,079.70 and 72,138,499.44 is: 108,195,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,174,470.28 : 357,222,079.70 = 72,138,499.44 : x
  2. Step 2: Convert to fraction form
    238,174,470.28/357,222,079.70 = 72,138,499.44/x
  3. Step 3: Cross multiply
    238,174,470.28x = 357,222,079.70 × 72,138,499.44
  4. Step 4: Simplify right side
    238,174,470.28x = 25,769,464,796,574,428
  5. Step 5: Solve for x
    x = 25,769,464,796,574,428/238,174,470.28
  6. Step 6: Final answer
    x = 108,195,747.29

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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.