Home / 49,449,497.40-68,161,659.66-38,978,535.06

Finding the Fourth Proportional to 49,449,497.40, 68,161,659.66 and 38,978,535.06

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Solution

The fourth proportional to 49,449,497.40, 68,161,659.66 and 38,978,535.06 is: 53,728,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449,497.40 : 68,161,659.66 = 38,978,535.06 : x
  2. Step 2: Convert to fraction form
    49,449,497.40/68,161,659.66 = 38,978,535.06/x
  3. Step 3: Cross multiply
    49,449,497.40x = 68,161,659.66 × 38,978,535.06
  4. Step 4: Simplify right side
    49,449,497.40x = 2,656,841,640,805,097.50
  5. Step 5: Solve for x
    x = 2,656,841,640,805,097.50/49,449,497.40
  6. Step 6: Final answer
    x = 53,728,385.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.