Home / 165,957,433.20-248,936,149.80-79,863,991.20

Finding the Fourth Proportional to 165,957,433.20, 248,936,149.80 and 79,863,991.20

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Solution

The fourth proportional to 165,957,433.20, 248,936,149.80 and 79,863,991.20 is: 119,795,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957,433.20 : 248,936,149.80 = 79,863,991.20 : x
  2. Step 2: Convert to fraction form
    165,957,433.20/248,936,149.80 = 79,863,991.20/x
  3. Step 3: Cross multiply
    165,957,433.20x = 248,936,149.80 × 79,863,991.20
  4. Step 4: Simplify right side
    165,957,433.20x = 19,881,034,476,989,084
  5. Step 5: Solve for x
    x = 19,881,034,476,989,084/165,957,433.20
  6. Step 6: Final answer
    x = 119,795,986.80

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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.