Home / 72,031,726.90-107,981,383.69-25,962,321.07

Finding the Fourth Proportional to 72,031,726.90, 107,981,383.69 and 25,962,321.07

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Solution

The fourth proportional to 72,031,726.90, 107,981,383.69 and 25,962,321.07 is: 38,919,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,031,726.90 : 107,981,383.69 = 25,962,321.07 : x
  2. Step 2: Convert to fraction form
    72,031,726.90/107,981,383.69 = 25,962,321.07/x
  3. Step 3: Cross multiply
    72,031,726.90x = 107,981,383.69 × 25,962,321.07
  4. Step 4: Simplify right side
    72,031,726.90x = 2,803,447,352,942,641.50
  5. Step 5: Solve for x
    x = 2,803,447,352,942,641.50/72,031,726.90
  6. Step 6: Final answer
    x = 38,919,618.81

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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.