Home / 141,952,847.44-195,895,200.51-78,373,309.54

Finding the Fourth Proportional to 141,952,847.44, 195,895,200.51 and 78,373,309.54

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Solution

The fourth proportional to 141,952,847.44, 195,895,200.51 and 78,373,309.54 is: 108,155,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,847.44 : 195,895,200.51 = 78,373,309.54 : x
  2. Step 2: Convert to fraction form
    141,952,847.44/195,895,200.51 = 78,373,309.54/x
  3. Step 3: Cross multiply
    141,952,847.44x = 195,895,200.51 × 78,373,309.54
  4. Step 4: Simplify right side
    141,952,847.44x = 15,352,955,186,970,596
  5. Step 5: Solve for x
    x = 15,352,955,186,970,596/141,952,847.44
  6. Step 6: Final answer
    x = 108,155,316.81

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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.