Home / 165,787,291.20-248,680,936.80-117,414,350.40

Finding the Fourth Proportional to 165,787,291.20, 248,680,936.80 and 117,414,350.40

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Solution

The fourth proportional to 165,787,291.20, 248,680,936.80 and 117,414,350.40 is: 176,121,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787,291.20 : 248,680,936.80 = 117,414,350.40 : x
  2. Step 2: Convert to fraction form
    165,787,291.20/248,680,936.80 = 117,414,350.40/x
  3. Step 3: Cross multiply
    165,787,291.20x = 248,680,936.80 × 117,414,350.40
  4. Step 4: Simplify right side
    165,787,291.20x = 29,198,710,651,235,456
  5. Step 5: Solve for x
    x = 29,198,710,651,235,456/165,787,291.20
  6. Step 6: Final answer
    x = 176,121,525.60

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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.