Home / 170,821,169.60-256,206,871.20-49,639,985.60

Finding the Fourth Proportional to 170,821,169.60, 256,206,871.20 and 49,639,985.60

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Solution

The fourth proportional to 170,821,169.60, 256,206,871.20 and 49,639,985.60 is: 74,452,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821,169.60 : 256,206,871.20 = 49,639,985.60 : x
  2. Step 2: Convert to fraction form
    170,821,169.60/256,206,871.20 = 49,639,985.60/x
  3. Step 3: Cross multiply
    170,821,169.60x = 256,206,871.20 × 49,639,985.60
  4. Step 4: Simplify right side
    170,821,169.60x = 12,718,105,396,989,054
  5. Step 5: Solve for x
    x = 12,718,105,396,989,054/170,821,169.60
  6. Step 6: Final answer
    x = 74,452,747.44

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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.