Home / 193,627,974.88-267,198,809.79-105,520,080.79

Finding the Fourth Proportional to 193,627,974.88, 267,198,809.79 and 105,520,080.79

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Solution

The fourth proportional to 193,627,974.88, 267,198,809.79 and 105,520,080.79 is: 145,613,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,627,974.88 : 267,198,809.79 = 105,520,080.79 : x
  2. Step 2: Convert to fraction form
    193,627,974.88/267,198,809.79 = 105,520,080.79/x
  3. Step 3: Cross multiply
    193,627,974.88x = 267,198,809.79 × 105,520,080.79
  4. Step 4: Simplify right side
    193,627,974.88x = 28,194,839,996,032,644
  5. Step 5: Solve for x
    x = 28,194,839,996,032,644/193,627,974.88
  6. Step 6: Final answer
    x = 145,613,463.21

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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.