Home / 82,728,638.62-114,160,260.03-49,690,280.25

Finding the Fourth Proportional to 82,728,638.62, 114,160,260.03 and 49,690,280.25

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Solution

The fourth proportional to 82,728,638.62, 114,160,260.03 and 49,690,280.25 is: 68,569,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,638.62 : 114,160,260.03 = 49,690,280.25 : x
  2. Step 2: Convert to fraction form
    82,728,638.62/114,160,260.03 = 49,690,280.25/x
  3. Step 3: Cross multiply
    82,728,638.62x = 114,160,260.03 × 49,690,280.25
  4. Step 4: Simplify right side
    82,728,638.62x = 5,672,655,314,117,235
  5. Step 5: Solve for x
    x = 5,672,655,314,117,235/82,728,638.62
  6. Step 6: Final answer
    x = 68,569,426.61

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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.