Home / 60,376,843.20-90,565,264.80-40,221,451.20

Finding the Fourth Proportional to 60,376,843.20, 90,565,264.80 and 40,221,451.20

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Solution

The fourth proportional to 60,376,843.20, 90,565,264.80 and 40,221,451.20 is: 60,332,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,376,843.20 : 90,565,264.80 = 40,221,451.20 : x
  2. Step 2: Convert to fraction form
    60,376,843.20/90,565,264.80 = 40,221,451.20/x
  3. Step 3: Cross multiply
    60,376,843.20x = 90,565,264.80 × 40,221,451.20
  4. Step 4: Simplify right side
    60,376,843.20x = 3,642,666,378,568,278
  5. Step 5: Solve for x
    x = 3,642,666,378,568,278/60,376,843.20
  6. Step 6: Final answer
    x = 60,332,176.80

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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.