Home / 69,894,767.70-104,842,151.55-49,487,433.30

Finding the Fourth Proportional to 69,894,767.70, 104,842,151.55 and 49,487,433.30

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Solution

The fourth proportional to 69,894,767.70, 104,842,151.55 and 49,487,433.30 is: 74,231,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894,767.70 : 104,842,151.55 = 49,487,433.30 : x
  2. Step 2: Convert to fraction form
    69,894,767.70/104,842,151.55 = 49,487,433.30/x
  3. Step 3: Cross multiply
    69,894,767.70x = 104,842,151.55 × 49,487,433.30
  4. Step 4: Simplify right side
    69,894,767.70x = 5,188,368,981,859,116
  5. Step 5: Solve for x
    x = 5,188,368,981,859,116/69,894,767.70
  6. Step 6: Final answer
    x = 74,231,149.95

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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.