Home / 36,878,190.30-55,317,285.45-19,872,078.30

Finding the Fourth Proportional to 36,878,190.30, 55,317,285.45 and 19,872,078.30

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Solution

The fourth proportional to 36,878,190.30, 55,317,285.45 and 19,872,078.30 is: 29,808,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878,190.30 : 55,317,285.45 = 19,872,078.30 : x
  2. Step 2: Convert to fraction form
    36,878,190.30/55,317,285.45 = 19,872,078.30/x
  3. Step 3: Cross multiply
    36,878,190.30x = 55,317,285.45 × 19,872,078.30
  4. Step 4: Simplify right side
    36,878,190.30x = 1,099,269,427,805,850.88
  5. Step 5: Solve for x
    x = 1,099,269,427,805,850.88/36,878,190.30
  6. Step 6: Final answer
    x = 29,808,117.45

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Double scale
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Similar ratio
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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.