Home / 54,452,138.40-81,678,207.60-54,074,224.80

Finding the Fourth Proportional to 54,452,138.40, 81,678,207.60 and 54,074,224.80

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Solution

The fourth proportional to 54,452,138.40, 81,678,207.60 and 54,074,224.80 is: 81,111,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452,138.40 : 81,678,207.60 = 54,074,224.80 : x
  2. Step 2: Convert to fraction form
    54,452,138.40/81,678,207.60 = 54,074,224.80/x
  3. Step 3: Cross multiply
    54,452,138.40x = 81,678,207.60 × 54,074,224.80
  4. Step 4: Simplify right side
    54,452,138.40x = 4,416,685,759,023,468
  5. Step 5: Solve for x
    x = 4,416,685,759,023,468/54,452,138.40
  6. Step 6: Final answer
    x = 81,111,337.20

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Double scale
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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.