Home / 193,627,947.20-267,198,771.74-105,520,053.11

Finding the Fourth Proportional to 193,627,947.20, 267,198,771.74 and 105,520,053.11

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Solution

The fourth proportional to 193,627,947.20, 267,198,771.74 and 105,520,053.11 is: 145,613,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,627,947.20 : 267,198,771.74 = 105,520,053.11 : x
  2. Step 2: Convert to fraction form
    193,627,947.20/267,198,771.74 = 105,520,053.11/x
  3. Step 3: Cross multiply
    193,627,947.20x = 267,198,771.74 × 105,520,053.11
  4. Step 4: Simplify right side
    193,627,947.20x = 28,194,828,583,067,976
  5. Step 5: Solve for x
    x = 28,194,828,583,067,976/193,627,947.20
  6. Step 6: Final answer
    x = 145,613,425.08

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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.