Home / 141,542,700.35-195,322,643.66-78,822,033.53

Finding the Fourth Proportional to 141,542,700.35, 195,322,643.66 and 78,822,033.53

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Solution

The fourth proportional to 141,542,700.35, 195,322,643.66 and 78,822,033.53 is: 108,770,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,542,700.35 : 195,322,643.66 = 78,822,033.53 : x
  2. Step 2: Convert to fraction form
    141,542,700.35/195,322,643.66 = 78,822,033.53/x
  3. Step 3: Cross multiply
    141,542,700.35x = 195,322,643.66 × 78,822,033.53
  4. Step 4: Simplify right side
    141,542,700.35x = 15,395,727,966,957,204
  5. Step 5: Solve for x
    x = 15,395,727,966,957,204/141,542,700.35
  6. Step 6: Final answer
    x = 108,770,907.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.