Home / 74,661,544.80-103,032,908.40-40,322,728.80

Finding the Fourth Proportional to 74,661,544.80, 103,032,908.40 and 40,322,728.80

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Solution

The fourth proportional to 74,661,544.80, 103,032,908.40 and 40,322,728.80 is: 55,645,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661,544.80 : 103,032,908.40 = 40,322,728.80 : x
  2. Step 2: Convert to fraction form
    74,661,544.80/103,032,908.40 = 40,322,728.80/x
  3. Step 3: Cross multiply
    74,661,544.80x = 103,032,908.40 × 40,322,728.80
  4. Step 4: Simplify right side
    74,661,544.80x = 4,154,568,022,888,442
  5. Step 5: Solve for x
    x = 4,154,568,022,888,442/74,661,544.80
  6. Step 6: Final answer
    x = 55,645,353.09

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1.5x scale

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.