Home / 170,815,625.40-256,223,438.10-162,879,439.80

Finding the Fourth Proportional to 170,815,625.40, 256,223,438.10 and 162,879,439.80

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Solution

The fourth proportional to 170,815,625.40, 256,223,438.10 and 162,879,439.80 is: 244,319,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,815,625.40 : 256,223,438.10 = 162,879,439.80 : x
  2. Step 2: Convert to fraction form
    170,815,625.40/256,223,438.10 = 162,879,439.80/x
  3. Step 3: Cross multiply
    170,815,625.40x = 256,223,438.10 × 162,879,439.80
  4. Step 4: Simplify right side
    170,815,625.40x = 41,733,530,061,357,976
  5. Step 5: Solve for x
    x = 41,733,530,061,357,976/170,815,625.40
  6. Step 6: Final answer
    x = 244,319,159.70

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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.