Home / 324,399,160.80-486,651,812.40-105,986,095.20

Finding the Fourth Proportional to 324,399,160.80, 486,651,812.40 and 105,986,095.20

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Solution

The fourth proportional to 324,399,160.80, 486,651,812.40 and 105,986,095.20 is: 158,996,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,399,160.80 : 486,651,812.40 = 105,986,095.20 : x
  2. Step 2: Convert to fraction form
    324,399,160.80/486,651,812.40 = 105,986,095.20/x
  3. Step 3: Cross multiply
    324,399,160.80x = 486,651,812.40 × 105,986,095.20
  4. Step 4: Simplify right side
    324,399,160.80x = 51,578,325,318,278,936
  5. Step 5: Solve for x
    x = 51,578,325,318,278,936/324,399,160.80
  6. Step 6: Final answer
    x = 158,996,481.96

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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.