Home / 124,380,400.80-186,570,601.20-39,279,856.80

Finding the Fourth Proportional to 124,380,400.80, 186,570,601.20 and 39,279,856.80

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Solution

The fourth proportional to 124,380,400.80, 186,570,601.20 and 39,279,856.80 is: 58,919,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380,400.80 : 186,570,601.20 = 39,279,856.80 : x
  2. Step 2: Convert to fraction form
    124,380,400.80/186,570,601.20 = 39,279,856.80/x
  3. Step 3: Cross multiply
    124,380,400.80x = 186,570,601.20 × 39,279,856.80
  4. Step 4: Simplify right side
    124,380,400.80x = 7,328,466,498,225,907
  5. Step 5: Solve for x
    x = 7,328,466,498,225,907/124,380,400.80
  6. Step 6: Final answer
    x = 58,919,785.20

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Similar ratio
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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.