Home / 165,933,951.30-248,688,350.55-147,652,380.90

Finding the Fourth Proportional to 165,933,951.30, 248,688,350.55 and 147,652,380.90

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Solution

The fourth proportional to 165,933,951.30, 248,688,350.55 and 147,652,380.90 is: 221,289,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,933,951.30 : 248,688,350.55 = 147,652,380.90 : x
  2. Step 2: Convert to fraction form
    165,933,951.30/248,688,350.55 = 147,652,380.90/x
  3. Step 3: Cross multiply
    165,933,951.30x = 248,688,350.55 × 147,652,380.90
  4. Step 4: Simplify right side
    165,933,951.30x = 36,719,427,060,801,328
  5. Step 5: Solve for x
    x = 36,719,427,060,801,328/165,933,951.30
  6. Step 6: Final answer
    x = 221,289,415.30

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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.