Home / 272,573,229.70-408,859,844.55-163,734,112.90

Finding the Fourth Proportional to 272,573,229.70, 408,859,844.55 and 163,734,112.90

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Solution

The fourth proportional to 272,573,229.70, 408,859,844.55 and 163,734,112.90 is: 245,601,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573,229.70 : 408,859,844.55 = 163,734,112.90 : x
  2. Step 2: Convert to fraction form
    272,573,229.70/408,859,844.55 = 163,734,112.90/x
  3. Step 3: Cross multiply
    272,573,229.70x = 408,859,844.55 × 163,734,112.90
  4. Step 4: Simplify right side
    272,573,229.70x = 66,944,303,947,826,152
  5. Step 5: Solve for x
    x = 66,944,303,947,826,152/272,573,229.70
  6. Step 6: Final answer
    x = 245,601,169.35

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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.