Home / 153,252,122.40-229,878,183.60-80,440,768.80

Finding the Fourth Proportional to 153,252,122.40, 229,878,183.60 and 80,440,768.80

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Solution

The fourth proportional to 153,252,122.40, 229,878,183.60 and 80,440,768.80 is: 120,661,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,252,122.40 : 229,878,183.60 = 80,440,768.80 : x
  2. Step 2: Convert to fraction form
    153,252,122.40/229,878,183.60 = 80,440,768.80/x
  3. Step 3: Cross multiply
    153,252,122.40x = 229,878,183.60 × 80,440,768.80
  4. Step 4: Simplify right side
    153,252,122.40x = 18,491,577,819,131,552
  5. Step 5: Solve for x
    x = 18,491,577,819,131,552/153,252,122.40
  6. Step 6: Final answer
    x = 120,661,153.20

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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.