Home / 71,356,540.48-98,474,727.20-39,995,164.16

Finding the Fourth Proportional to 71,356,540.48, 98,474,727.20 and 39,995,164.16

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Solution

The fourth proportional to 71,356,540.48, 98,474,727.20 and 39,995,164.16 is: 55,194,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,356,540.48 : 98,474,727.20 = 39,995,164.16 : x
  2. Step 2: Convert to fraction form
    71,356,540.48/98,474,727.20 = 39,995,164.16/x
  3. Step 3: Cross multiply
    71,356,540.48x = 98,474,727.20 × 39,995,164.16
  4. Step 4: Simplify right side
    71,356,540.48x = 3,938,512,879,975,217
  5. Step 5: Solve for x
    x = 3,938,512,879,975,217/71,356,540.48
  6. Step 6: Final answer
    x = 55,194,840.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.