Home / 65,957,812.20-98,936,718.30-49,589,429.40

Finding the Fourth Proportional to 65,957,812.20, 98,936,718.30 and 49,589,429.40

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Solution

The fourth proportional to 65,957,812.20, 98,936,718.30 and 49,589,429.40 is: 74,384,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,957,812.20 : 98,936,718.30 = 49,589,429.40 : x
  2. Step 2: Convert to fraction form
    65,957,812.20/98,936,718.30 = 49,589,429.40/x
  3. Step 3: Cross multiply
    65,957,812.20x = 98,936,718.30 × 49,589,429.40
  4. Step 4: Simplify right side
    65,957,812.20x = 4,906,215,407,205,538
  5. Step 5: Solve for x
    x = 4,906,215,407,205,538/65,957,812.20
  6. Step 6: Final answer
    x = 74,384,144.10

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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.