Home / 157,777,061.97-217,753,975.08-90,794,643.53

Finding the Fourth Proportional to 157,777,061.97, 217,753,975.08 and 90,794,643.53

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Solution

The fourth proportional to 157,777,061.97, 217,753,975.08 and 90,794,643.53 is: 125,309,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,061.97 : 217,753,975.08 = 90,794,643.53 : x
  2. Step 2: Convert to fraction form
    157,777,061.97/217,753,975.08 = 90,794,643.53/x
  3. Step 3: Cross multiply
    157,777,061.97x = 217,753,975.08 × 90,794,643.53
  4. Step 4: Simplify right side
    157,777,061.97x = 19,770,894,545,173,488
  5. Step 5: Solve for x
    x = 19,770,894,545,173,488/157,777,061.97
  6. Step 6: Final answer
    x = 125,309,055.06

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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.