Home / 80,836,568.23-121,264,936.42-31,646,067.49

Finding the Fourth Proportional to 80,836,568.23, 121,264,936.42 and 31,646,067.49

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Solution

The fourth proportional to 80,836,568.23, 121,264,936.42 and 31,646,067.49 is: 47,473,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,836,568.23 : 121,264,936.42 = 31,646,067.49 : x
  2. Step 2: Convert to fraction form
    80,836,568.23/121,264,936.42 = 31,646,067.49/x
  3. Step 3: Cross multiply
    80,836,568.23x = 121,264,936.42 × 31,646,067.49
  4. Step 4: Simplify right side
    80,836,568.23x = 3,837,558,362,513,462
  5. Step 5: Solve for x
    x = 3,837,558,362,513,462/80,836,568.23
  6. Step 6: Final answer
    x = 47,473,048.98

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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.