Home / 170,821,169.10-256,206,870.45-49,639,985.10

Finding the Fourth Proportional to 170,821,169.10, 256,206,870.45 and 49,639,985.10

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Solution

The fourth proportional to 170,821,169.10, 256,206,870.45 and 49,639,985.10 is: 74,452,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821,169.10 : 256,206,870.45 = 49,639,985.10 : x
  2. Step 2: Convert to fraction form
    170,821,169.10/256,206,870.45 = 49,639,985.10/x
  3. Step 3: Cross multiply
    170,821,169.10x = 256,206,870.45 × 49,639,985.10
  4. Step 4: Simplify right side
    170,821,169.10x = 12,718,105,231,655,630
  5. Step 5: Solve for x
    x = 12,718,105,231,655,630/170,821,169.10
  6. Step 6: Final answer
    x = 74,452,746.69

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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.