Home / 193,428,376.38-290,261,517.48-76,823,331.90

Finding the Fourth Proportional to 193,428,376.38, 290,261,517.48 and 76,823,331.90

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Solution

The fourth proportional to 193,428,376.38, 290,261,517.48 and 76,823,331.90 is: 115,282,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428,376.38 : 290,261,517.48 = 76,823,331.90 : x
  2. Step 2: Convert to fraction form
    193,428,376.38/290,261,517.48 = 76,823,331.90/x
  3. Step 3: Cross multiply
    193,428,376.38x = 290,261,517.48 × 76,823,331.90
  4. Step 4: Simplify right side
    193,428,376.38x = 22,298,856,895,163,696
  5. Step 5: Solve for x
    x = 22,298,856,895,163,696/193,428,376.38
  6. Step 6: Final answer
    x = 115,282,242.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.