Home / 134,492,619.20-201,738,928.80-80,073,060.80

Finding the Fourth Proportional to 134,492,619.20, 201,738,928.80 and 80,073,060.80

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Solution

The fourth proportional to 134,492,619.20, 201,738,928.80 and 80,073,060.80 is: 120,109,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,492,619.20 : 201,738,928.80 = 80,073,060.80 : x
  2. Step 2: Convert to fraction form
    134,492,619.20/201,738,928.80 = 80,073,060.80/x
  3. Step 3: Cross multiply
    134,492,619.20x = 201,738,928.80 × 80,073,060.80
  4. Step 4: Simplify right side
    134,492,619.20x = 16,153,853,511,529,272
  5. Step 5: Solve for x
    x = 16,153,853,511,529,272/134,492,619.20
  6. Step 6: Final answer
    x = 120,109,591.20

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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.