Home / 274,881,775.30-411,770,601.86-127,122,223.90

Finding the Fourth Proportional to 274,881,775.30, 411,770,601.86 and 127,122,223.90

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Solution

The fourth proportional to 274,881,775.30, 411,770,601.86 and 127,122,223.90 is: 190,428,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,881,775.30 : 411,770,601.86 = 127,122,223.90 : x
  2. Step 2: Convert to fraction form
    274,881,775.30/411,770,601.86 = 127,122,223.90/x
  3. Step 3: Cross multiply
    274,881,775.30x = 411,770,601.86 × 127,122,223.90
  4. Step 4: Simplify right side
    274,881,775.30x = 52,345,194,645,084,680
  5. Step 5: Solve for x
    x = 52,345,194,645,084,680/274,881,775.30
  6. Step 6: Final answer
    x = 190,428,028.88

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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.