Home / 55,275,619.36-76,282,614.66-30,498,658.96

Finding the Fourth Proportional to 55,275,619.36, 76,282,614.66 and 30,498,658.96

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Solution

The fourth proportional to 55,275,619.36, 76,282,614.66 and 30,498,658.96 is: 42,089,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275,619.36 : 76,282,614.66 = 30,498,658.96 : x
  2. Step 2: Convert to fraction form
    55,275,619.36/76,282,614.66 = 30,498,658.96/x
  3. Step 3: Cross multiply
    55,275,619.36x = 76,282,614.66 × 30,498,658.96
  4. Step 4: Simplify right side
    55,275,619.36x = 2,326,517,449,092,436.50
  5. Step 5: Solve for x
    x = 2,326,517,449,092,436.50/55,275,619.36
  6. Step 6: Final answer
    x = 42,089,396.30

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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.