Home / 81,176,719.85-121,785,382.43-23,668,991.02

Finding the Fourth Proportional to 81,176,719.85, 121,785,382.43 and 23,668,991.02

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Solution

The fourth proportional to 81,176,719.85, 121,785,382.43 and 23,668,991.02 is: 35,509,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176,719.85 : 121,785,382.43 = 23,668,991.02 : x
  2. Step 2: Convert to fraction form
    81,176,719.85/121,785,382.43 = 23,668,991.02/x
  3. Step 3: Cross multiply
    81,176,719.85x = 121,785,382.43 × 23,668,991.02
  4. Step 4: Simplify right side
    81,176,719.85x = 2,882,537,122,607,048
  5. Step 5: Solve for x
    x = 2,882,537,122,607,048/81,176,719.85
  6. Step 6: Final answer
    x = 35,509,406.24

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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.