Home / 68,707,306.50-94,816,279.80-39,339,089.52

Finding the Fourth Proportional to 68,707,306.50, 94,816,279.80 and 39,339,089.52

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Solution

The fourth proportional to 68,707,306.50, 94,816,279.80 and 39,339,089.52 is: 54,288,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,707,306.50 : 94,816,279.80 = 39,339,089.52 : x
  2. Step 2: Convert to fraction form
    68,707,306.50/94,816,279.80 = 39,339,089.52/x
  3. Step 3: Cross multiply
    68,707,306.50x = 94,816,279.80 × 39,339,089.52
  4. Step 4: Simplify right side
    68,707,306.50x = 3,729,986,119,005,568
  5. Step 5: Solve for x
    x = 3,729,986,119,005,568/68,707,306.50
  6. Step 6: Final answer
    x = 54,288,056.23

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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.