Home / 186,976,500.45-281,741,001.95-153,644,520.93

Finding the Fourth Proportional to 186,976,500.45, 281,741,001.95 and 153,644,520.93

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Solution

The fourth proportional to 186,976,500.45, 281,741,001.95 and 153,644,520.93 is: 231,515,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976,500.45 : 281,741,001.95 = 153,644,520.93 : x
  2. Step 2: Convert to fraction form
    186,976,500.45/281,741,001.95 = 153,644,520.93/x
  3. Step 3: Cross multiply
    186,976,500.45x = 281,741,001.95 × 153,644,520.93
  4. Step 4: Simplify right side
    186,976,500.45x = 43,287,961,270,177,728
  5. Step 5: Solve for x
    x = 43,287,961,270,177,728/186,976,500.45
  6. Step 6: Final answer
    x = 231,515,517.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.