Home / 82,396,220.15-113,801,154.74-54,264,349.12

Finding the Fourth Proportional to 82,396,220.15, 113,801,154.74 and 54,264,349.12

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Solution

The fourth proportional to 82,396,220.15, 113,801,154.74 and 54,264,349.12 is: 74,946,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,396,220.15 : 113,801,154.74 = 54,264,349.12 : x
  2. Step 2: Convert to fraction form
    82,396,220.15/113,801,154.74 = 54,264,349.12/x
  3. Step 3: Cross multiply
    82,396,220.15x = 113,801,154.74 × 54,264,349.12
  4. Step 4: Simplify right side
    82,396,220.15x = 6,175,345,591,206,164
  5. Step 5: Solve for x
    x = 6,175,345,591,206,164/82,396,220.15
  6. Step 6: Final answer
    x = 74,946,952.42

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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.