Home / 42,568,087.80-63,852,131.70-15,661,054.20

Finding the Fourth Proportional to 42,568,087.80, 63,852,131.70 and 15,661,054.20

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Solution

The fourth proportional to 42,568,087.80, 63,852,131.70 and 15,661,054.20 is: 23,491,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,568,087.80 : 63,852,131.70 = 15,661,054.20 : x
  2. Step 2: Convert to fraction form
    42,568,087.80/63,852,131.70 = 15,661,054.20/x
  3. Step 3: Cross multiply
    42,568,087.80x = 63,852,131.70 × 15,661,054.20
  4. Step 4: Simplify right side
    42,568,087.80x = 999,991,695,339,238.12
  5. Step 5: Solve for x
    x = 999,991,695,339,238.12/42,568,087.80
  6. Step 6: Final answer
    x = 23,491,581.30

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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.