Home / 71,251,016.80-98,325,992.62-38,655,268.96

Finding the Fourth Proportional to 71,251,016.80, 98,325,992.62 and 38,655,268.96

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Solution

The fourth proportional to 71,251,016.80, 98,325,992.62 and 38,655,268.96 is: 53,344,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,251,016.80 : 98,325,992.62 = 38,655,268.96 : x
  2. Step 2: Convert to fraction form
    71,251,016.80/98,325,992.62 = 38,655,268.96/x
  3. Step 3: Cross multiply
    71,251,016.80x = 98,325,992.62 × 38,655,268.96
  4. Step 4: Simplify right side
    71,251,016.80x = 3,800,817,690,485,075.50
  5. Step 5: Solve for x
    x = 3,800,817,690,485,075.50/71,251,016.80
  6. Step 6: Final answer
    x = 53,344,048.42

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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.