Home / 159,481,540.71-239,229,914.94-77,502,752.91

Finding the Fourth Proportional to 159,481,540.71, 239,229,914.94 and 77,502,752.91

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Solution

The fourth proportional to 159,481,540.71, 239,229,914.94 and 77,502,752.91 is: 116,257,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,481,540.71 : 239,229,914.94 = 77,502,752.91 : x
  2. Step 2: Convert to fraction form
    159,481,540.71/239,229,914.94 = 77,502,752.91/x
  3. Step 3: Cross multiply
    159,481,540.71x = 239,229,914.94 × 77,502,752.91
  4. Step 4: Simplify right side
    159,481,540.71x = 18,540,976,986,275,136
  5. Step 5: Solve for x
    x = 18,540,976,986,275,136/159,481,540.71
  6. Step 6: Final answer
    x = 116,257,824.60

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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.