Home / 141,976,430.79-195,936,434.78-80,074,183.11

Finding the Fourth Proportional to 141,976,430.79, 195,936,434.78 and 80,074,183.11

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Solution

The fourth proportional to 141,976,430.79, 195,936,434.78 and 80,074,183.11 is: 110,507,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,976,430.79 : 195,936,434.78 = 80,074,183.11 : x
  2. Step 2: Convert to fraction form
    141,976,430.79/195,936,434.78 = 80,074,183.11/x
  3. Step 3: Cross multiply
    141,976,430.79x = 195,936,434.78 × 80,074,183.11
  4. Step 4: Simplify right side
    141,976,430.79x = 15,689,449,956,093,922
  5. Step 5: Solve for x
    x = 15,689,449,956,093,922/141,976,430.79
  6. Step 6: Final answer
    x = 110,507,426.26

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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.