Home / 98,340,399.20-135,706,194.32-54,286,452.11

Finding the Fourth Proportional to 98,340,399.20, 135,706,194.32 and 54,286,452.11

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Solution

The fourth proportional to 98,340,399.20, 135,706,194.32 and 54,286,452.11 is: 74,913,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,399.20 : 135,706,194.32 = 54,286,452.11 : x
  2. Step 2: Convert to fraction form
    98,340,399.20/135,706,194.32 = 54,286,452.11/x
  3. Step 3: Cross multiply
    98,340,399.20x = 135,706,194.32 × 54,286,452.11
  4. Step 4: Simplify right side
    98,340,399.20x = 7,367,007,819,050,867
  5. Step 5: Solve for x
    x = 7,367,007,819,050,867/98,340,399.20
  6. Step 6: Final answer
    x = 74,913,340.59

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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.