Home / 40,170,233.80-55,434,958.37-21,835,519.30

Finding the Fourth Proportional to 40,170,233.80, 55,434,958.37 and 21,835,519.30

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Solution

The fourth proportional to 40,170,233.80, 55,434,958.37 and 21,835,519.30 is: 30,133,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170,233.80 : 55,434,958.37 = 21,835,519.30 : x
  2. Step 2: Convert to fraction form
    40,170,233.80/55,434,958.37 = 21,835,519.30/x
  3. Step 3: Cross multiply
    40,170,233.80x = 55,434,958.37 × 21,835,519.30
  4. Step 4: Simplify right side
    40,170,233.80x = 1,210,451,103,382,831.50
  5. Step 5: Solve for x
    x = 1,210,451,103,382,831.50/40,170,233.80
  6. Step 6: Final answer
    x = 30,133,036.05

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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.