Home / 170,820,145.60-256,205,335.20-49,638,961.60

Finding the Fourth Proportional to 170,820,145.60, 256,205,335.20 and 49,638,961.60

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Solution

The fourth proportional to 170,820,145.60, 256,205,335.20 and 49,638,961.60 is: 74,451,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,820,145.60 : 256,205,335.20 = 49,638,961.60 : x
  2. Step 2: Convert to fraction form
    170,820,145.60/256,205,335.20 = 49,638,961.60/x
  3. Step 3: Cross multiply
    170,820,145.60x = 256,205,335.20 × 49,638,961.60
  4. Step 4: Simplify right side
    170,820,145.60x = 12,717,766,795,707,928
  5. Step 5: Solve for x
    x = 12,717,766,795,707,928/170,820,145.60
  6. Step 6: Final answer
    x = 74,451,211.54

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1.5x scale

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.