Home / 207,941,572.68-311,960,194.85-69,785,513.11

Finding the Fourth Proportional to 207,941,572.68, 311,960,194.85 and 69,785,513.11

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Solution

The fourth proportional to 207,941,572.68, 311,960,194.85 and 69,785,513.11 is: 104,694,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,941,572.68 : 311,960,194.85 = 69,785,513.11 : x
  2. Step 2: Convert to fraction form
    207,941,572.68/311,960,194.85 = 69,785,513.11/x
  3. Step 3: Cross multiply
    207,941,572.68x = 311,960,194.85 × 69,785,513.11
  4. Step 4: Simplify right side
    207,941,572.68x = 21,770,302,268,067,244
  5. Step 5: Solve for x
    x = 21,770,302,268,067,244/207,941,572.68
  6. Step 6: Final answer
    x = 104,694,323.45

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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.