Home / 81,176,724.28-121,785,389.07-23,668,995.44

Finding the Fourth Proportional to 81,176,724.28, 121,785,389.07 and 23,668,995.44

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Solution

The fourth proportional to 81,176,724.28, 121,785,389.07 and 23,668,995.44 is: 35,509,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176,724.28 : 121,785,389.07 = 23,668,995.44 : x
  2. Step 2: Convert to fraction form
    81,176,724.28/121,785,389.07 = 23,668,995.44/x
  3. Step 3: Cross multiply
    81,176,724.28x = 121,785,389.07 × 23,668,995.44
  4. Step 4: Simplify right side
    81,176,724.28x = 2,882,537,818,556,456
  5. Step 5: Solve for x
    x = 2,882,537,818,556,456/81,176,724.28
  6. Step 6: Final answer
    x = 35,509,412.88

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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.