Home / 170,215,531.80-255,323,297.70-101,340,778.20

Finding the Fourth Proportional to 170,215,531.80, 255,323,297.70 and 101,340,778.20

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Solution

The fourth proportional to 170,215,531.80, 255,323,297.70 and 101,340,778.20 is: 152,011,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,215,531.80 : 255,323,297.70 = 101,340,778.20 : x
  2. Step 2: Convert to fraction form
    170,215,531.80/255,323,297.70 = 101,340,778.20/x
  3. Step 3: Cross multiply
    170,215,531.80x = 255,323,297.70 × 101,340,778.20
  4. Step 4: Simplify right side
    170,215,531.80x = 25,874,661,681,508,268
  5. Step 5: Solve for x
    x = 25,874,661,681,508,268/170,215,531.80
  6. Step 6: Final answer
    x = 152,011,167.30

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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.