Home / 84,564,308.80-126,846,463.20-74,150,689.60

Finding the Fourth Proportional to 84,564,308.80, 126,846,463.20 and 74,150,689.60

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Solution

The fourth proportional to 84,564,308.80, 126,846,463.20 and 74,150,689.60 is: 111,226,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,308.80 : 126,846,463.20 = 74,150,689.60 : x
  2. Step 2: Convert to fraction form
    84,564,308.80/126,846,463.20 = 74,150,689.60/x
  3. Step 3: Cross multiply
    84,564,308.80x = 126,846,463.20 × 74,150,689.60
  4. Step 4: Simplify right side
    84,564,308.80x = 9,405,752,719,601,022
  5. Step 5: Solve for x
    x = 9,405,752,719,601,022/84,564,308.80
  6. Step 6: Final answer
    x = 111,226,034.40

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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.