Home / 74,661,545.80-103,032,909.78-40,322,729.80

Finding the Fourth Proportional to 74,661,545.80, 103,032,909.78 and 40,322,729.80

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Solution

The fourth proportional to 74,661,545.80, 103,032,909.78 and 40,322,729.80 is: 55,645,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661,545.80 : 103,032,909.78 = 40,322,729.80 : x
  2. Step 2: Convert to fraction form
    74,661,545.80/103,032,909.78 = 40,322,729.80/x
  3. Step 3: Cross multiply
    74,661,545.80x = 103,032,909.78 × 40,322,729.80
  4. Step 4: Simplify right side
    74,661,545.80x = 4,154,568,181,566,717
  5. Step 5: Solve for x
    x = 4,154,568,181,566,717/74,661,545.80
  6. Step 6: Final answer
    x = 55,645,354.47

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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.