Home / 44,308,872.20-66,463,308.30-20,421,000.20

Finding the Fourth Proportional to 44,308,872.20, 66,463,308.30 and 20,421,000.20

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Solution

The fourth proportional to 44,308,872.20, 66,463,308.30 and 20,421,000.20 is: 30,631,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,308,872.20 : 66,463,308.30 = 20,421,000.20 : x
  2. Step 2: Convert to fraction form
    44,308,872.20/66,463,308.30 = 20,421,000.20/x
  3. Step 3: Cross multiply
    44,308,872.20x = 66,463,308.30 × 20,421,000.20
  4. Step 4: Simplify right side
    44,308,872.20x = 1,357,247,232,086,961.50
  5. Step 5: Solve for x
    x = 1,357,247,232,086,961.50/44,308,872.20
  6. Step 6: Final answer
    x = 30,631,500.30

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Double scale
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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.