Home / 69,587,340.40-104,168,434.20-54,281,839.60

Finding the Fourth Proportional to 69,587,340.40, 104,168,434.20 and 54,281,839.60

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Solution

The fourth proportional to 69,587,340.40, 104,168,434.20 and 54,281,839.60 is: 81,256,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,587,340.40 : 104,168,434.20 = 54,281,839.60 : x
  2. Step 2: Convert to fraction form
    69,587,340.40/104,168,434.20 = 54,281,839.60/x
  3. Step 3: Cross multiply
    69,587,340.40x = 104,168,434.20 × 54,281,839.60
  4. Step 4: Simplify right side
    69,587,340.40x = 5,654,454,236,627,555
  5. Step 5: Solve for x
    x = 5,654,454,236,627,555/69,587,340.40
  6. Step 6: Final answer
    x = 81,256,938.46

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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.