Home / 144,015,112.97-198,741,461.81-77,935,614.48

Finding the Fourth Proportional to 144,015,112.97, 198,741,461.81 and 77,935,614.48

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Solution

The fourth proportional to 144,015,112.97, 198,741,461.81 and 77,935,614.48 is: 107,551,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,015,112.97 : 198,741,461.81 = 77,935,614.48 : x
  2. Step 2: Convert to fraction form
    144,015,112.97/198,741,461.81 = 77,935,614.48/x
  3. Step 3: Cross multiply
    144,015,112.97x = 198,741,461.81 × 77,935,614.48
  4. Step 4: Simplify right side
    144,015,112.97x = 15,489,037,947,906,602
  5. Step 5: Solve for x
    x = 15,489,037,947,906,602/144,015,112.97
  6. Step 6: Final answer
    x = 107,551,475.87

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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.