Home / 220,145,640.90-330,134,480.55-66,740,712.90

Finding the Fourth Proportional to 220,145,640.90, 330,134,480.55 and 66,740,712.90

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Solution

The fourth proportional to 220,145,640.90, 330,134,480.55 and 66,740,712.90 is: 100,085,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,145,640.90 : 330,134,480.55 = 66,740,712.90 : x
  2. Step 2: Convert to fraction form
    220,145,640.90/330,134,480.55 = 66,740,712.90/x
  3. Step 3: Cross multiply
    220,145,640.90x = 330,134,480.55 × 66,740,712.90
  4. Step 4: Simplify right side
    220,145,640.90x = 22,033,410,584,778,184
  5. Step 5: Solve for x
    x = 22,033,410,584,778,184/220,145,640.90
  6. Step 6: Final answer
    x = 100,085,609.21

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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.