Home / 91,954,717.28-137,775,988.92-55,486,482.56

Finding the Fourth Proportional to 91,954,717.28, 137,775,988.92 and 55,486,482.56

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Solution

The fourth proportional to 91,954,717.28, 137,775,988.92 and 55,486,482.56 is: 83,135,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954,717.28 : 137,775,988.92 = 55,486,482.56 : x
  2. Step 2: Convert to fraction form
    91,954,717.28/137,775,988.92 = 55,486,482.56/x
  3. Step 3: Cross multiply
    91,954,717.28x = 137,775,988.92 × 55,486,482.56
  4. Step 4: Simplify right side
    91,954,717.28x = 7,644,705,006,396,333
  5. Step 5: Solve for x
    x = 7,644,705,006,396,333/91,954,717.28
  6. Step 6: Final answer
    x = 83,135,539.24

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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.