Home / 193,627,948.11-267,198,773.01-105,520,054.05

Finding the Fourth Proportional to 193,627,948.11, 267,198,773.01 and 105,520,054.05

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Solution

The fourth proportional to 193,627,948.11, 267,198,773.01 and 105,520,054.05 is: 145,613,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,627,948.11 : 267,198,773.01 = 105,520,054.05 : x
  2. Step 2: Convert to fraction form
    193,627,948.11/267,198,773.01 = 105,520,054.05/x
  3. Step 3: Cross multiply
    193,627,948.11x = 267,198,773.01 × 105,520,054.05
  4. Step 4: Simplify right side
    193,627,948.11x = 28,194,828,970,108,880
  5. Step 5: Solve for x
    x = 28,194,828,970,108,880/193,627,948.11
  6. Step 6: Final answer
    x = 145,613,426.39

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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.