Home / 118,315,572.88-177,476,974.86-40,591,386.61

Finding the Fourth Proportional to 118,315,572.88, 177,476,974.86 and 40,591,386.61

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Solution

The fourth proportional to 118,315,572.88, 177,476,974.86 and 40,591,386.61 is: 60,888,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,315,572.88 : 177,476,974.86 = 40,591,386.61 : x
  2. Step 2: Convert to fraction form
    118,315,572.88/177,476,974.86 = 40,591,386.61/x
  3. Step 3: Cross multiply
    118,315,572.88x = 177,476,974.86 × 40,591,386.61
  4. Step 4: Simplify right side
    118,315,572.88x = 7,204,036,501,622,344
  5. Step 5: Solve for x
    x = 7,204,036,501,622,344/118,315,572.88
  6. Step 6: Final answer
    x = 60,888,320.33

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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.