Home / 150,336,421.20-225,504,631.80-120,103,333.20

Finding the Fourth Proportional to 150,336,421.20, 225,504,631.80 and 120,103,333.20

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Solution

The fourth proportional to 150,336,421.20, 225,504,631.80 and 120,103,333.20 is: 180,154,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,336,421.20 : 225,504,631.80 = 120,103,333.20 : x
  2. Step 2: Convert to fraction form
    150,336,421.20/225,504,631.80 = 120,103,333.20/x
  3. Step 3: Cross multiply
    150,336,421.20x = 225,504,631.80 × 120,103,333.20
  4. Step 4: Simplify right side
    150,336,421.20x = 27,083,857,931,218,716
  5. Step 5: Solve for x
    x = 27,083,857,931,218,716/150,336,421.20
  6. Step 6: Final answer
    x = 180,154,999.80

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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.