Home / 89,227,242.28-123,138,076.16-55,756,940.48

Finding the Fourth Proportional to 89,227,242.28, 123,138,076.16 and 55,756,940.48

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Solution

The fourth proportional to 89,227,242.28, 123,138,076.16 and 55,756,940.48 is: 76,947,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,227,242.28 : 123,138,076.16 = 55,756,940.48 : x
  2. Step 2: Convert to fraction form
    89,227,242.28/123,138,076.16 = 55,756,940.48/x
  3. Step 3: Cross multiply
    89,227,242.28x = 123,138,076.16 × 55,756,940.48
  4. Step 4: Simplify right side
    89,227,242.28x = 6,865,802,382,380,352
  5. Step 5: Solve for x
    x = 6,865,802,382,380,352/89,227,242.28
  6. Step 6: Final answer
    x = 76,947,378.48

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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.