Home / 205,914,002.31-309,984,227.78-187,587,726.93

Finding the Fourth Proportional to 205,914,002.31, 309,984,227.78 and 187,587,726.93

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Solution

The fourth proportional to 205,914,002.31, 309,984,227.78 and 187,587,726.93 is: 282,395,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,914,002.31 : 309,984,227.78 = 187,587,726.93 : x
  2. Step 2: Convert to fraction form
    205,914,002.31/309,984,227.78 = 187,587,726.93/x
  3. Step 3: Cross multiply
    205,914,002.31x = 309,984,227.78 × 187,587,726.93
  4. Step 4: Simplify right side
    205,914,002.31x = 58,149,236,672,463,616
  5. Step 5: Solve for x
    x = 58,149,236,672,463,616/205,914,002.31
  6. Step 6: Final answer
    x = 282,395,738.12

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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.