Home / 71,016,799.38-98,070,867.87-67,147,853.31

Finding the Fourth Proportional to 71,016,799.38, 98,070,867.87 and 67,147,853.31

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Solution

The fourth proportional to 71,016,799.38, 98,070,867.87 and 67,147,853.31 is: 92,728,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,799.38 : 98,070,867.87 = 67,147,853.31 : x
  2. Step 2: Convert to fraction form
    71,016,799.38/98,070,867.87 = 67,147,853.31/x
  3. Step 3: Cross multiply
    71,016,799.38x = 98,070,867.87 × 67,147,853.31
  4. Step 4: Simplify right side
    71,016,799.38x = 6,585,248,249,719,153
  5. Step 5: Solve for x
    x = 6,585,248,249,719,153/71,016,799.38
  6. Step 6: Final answer
    x = 92,728,034.88

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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.