Home / 90,640,226.16-125,083,530.08-49,387,118.56

Finding the Fourth Proportional to 90,640,226.16, 125,083,530.08 and 49,387,118.56

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Solution

The fourth proportional to 90,640,226.16, 125,083,530.08 and 49,387,118.56 is: 68,154,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,640,226.16 : 125,083,530.08 = 49,387,118.56 : x
  2. Step 2: Convert to fraction form
    90,640,226.16/125,083,530.08 = 49,387,118.56/x
  3. Step 3: Cross multiply
    90,640,226.16x = 125,083,530.08 × 49,387,118.56
  4. Step 4: Simplify right side
    90,640,226.16x = 6,177,515,129,964,286
  5. Step 5: Solve for x
    x = 6,177,515,129,964,286/90,640,226.16
  6. Step 6: Final answer
    x = 68,154,233.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.