Home / 69,545,211.20-104,313,151.20-18,426,132.80

Finding the Fourth Proportional to 69,545,211.20, 104,313,151.20 and 18,426,132.80

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Solution

The fourth proportional to 69,545,211.20, 104,313,151.20 and 18,426,132.80 is: 27,637,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545,211.20 : 104,313,151.20 = 18,426,132.80 : x
  2. Step 2: Convert to fraction form
    69,545,211.20/104,313,151.20 = 18,426,132.80/x
  3. Step 3: Cross multiply
    69,545,211.20x = 104,313,151.20 × 18,426,132.80
  4. Step 4: Simplify right side
    69,545,211.20x = 1,922,087,976,797,679.50
  5. Step 5: Solve for x
    x = 1,922,087,976,797,679.50/69,545,211.20
  6. Step 6: Final answer
    x = 27,637,963.04

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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.