Home / 198,414,287.71-273,812,780.86-109,111,989.25

Finding the Fourth Proportional to 198,414,287.71, 273,812,780.86 and 109,111,989.25

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Solution

The fourth proportional to 198,414,287.71, 273,812,780.86 and 109,111,989.25 is: 150,575,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,414,287.71 : 273,812,780.86 = 109,111,989.25 : x
  2. Step 2: Convert to fraction form
    198,414,287.71/273,812,780.86 = 109,111,989.25/x
  3. Step 3: Cross multiply
    198,414,287.71x = 273,812,780.86 × 109,111,989.25
  4. Step 4: Simplify right side
    198,414,287.71x = 29,876,257,201,006,644
  5. Step 5: Solve for x
    x = 29,876,257,201,006,644/198,414,287.71
  6. Step 6: Final answer
    x = 150,575,130.18

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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.