Home / 54,399,406.70-81,599,110.05-38,243,600.30

Finding the Fourth Proportional to 54,399,406.70, 81,599,110.05 and 38,243,600.30

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Solution

The fourth proportional to 54,399,406.70, 81,599,110.05 and 38,243,600.30 is: 57,365,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399,406.70 : 81,599,110.05 = 38,243,600.30 : x
  2. Step 2: Convert to fraction form
    54,399,406.70/81,599,110.05 = 38,243,600.30/x
  3. Step 3: Cross multiply
    54,399,406.70x = 81,599,110.05 × 38,243,600.30
  4. Step 4: Simplify right side
    54,399,406.70x = 3,120,643,749,587,912.50
  5. Step 5: Solve for x
    x = 3,120,643,749,587,912.50/54,399,406.70
  6. Step 6: Final answer
    x = 57,365,400.45

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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.