Home / 156,385,067.75-233,195,921.80-154,981,425.13

Finding the Fourth Proportional to 156,385,067.75, 233,195,921.80 and 154,981,425.13

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Solution

The fourth proportional to 156,385,067.75, 233,195,921.80 and 154,981,425.13 is: 231,102,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,385,067.75 : 233,195,921.80 = 154,981,425.13 : x
  2. Step 2: Convert to fraction form
    156,385,067.75/233,195,921.80 = 154,981,425.13/x
  3. Step 3: Cross multiply
    156,385,067.75x = 233,195,921.80 × 154,981,425.13
  4. Step 4: Simplify right side
    156,385,067.75x = 36,141,036,294,097,592
  5. Step 5: Solve for x
    x = 36,141,036,294,097,592/156,385,067.75
  6. Step 6: Final answer
    x = 231,102,859.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.