Home / 75,561,656.80-113,350,585.91-20,974,473.06

Finding the Fourth Proportional to 75,561,656.80, 113,350,585.91 and 20,974,473.06

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Solution

The fourth proportional to 75,561,656.80, 113,350,585.91 and 20,974,473.06 is: 31,463,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,561,656.80 : 113,350,585.91 = 20,974,473.06 : x
  2. Step 2: Convert to fraction form
    75,561,656.80/113,350,585.91 = 20,974,473.06/x
  3. Step 3: Cross multiply
    75,561,656.80x = 113,350,585.91 × 20,974,473.06
  4. Step 4: Simplify right side
    75,561,656.80x = 2,377,468,809,990,193.50
  5. Step 5: Solve for x
    x = 2,377,468,809,990,193.50/75,561,656.80
  6. Step 6: Final answer
    x = 31,463,958.19

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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.