Home / 220,181,007.40-330,187,530.30-66,776,079.40

Finding the Fourth Proportional to 220,181,007.40, 330,187,530.30 and 66,776,079.40

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Solution

The fourth proportional to 220,181,007.40, 330,187,530.30 and 66,776,079.40 is: 100,138,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,181,007.40 : 330,187,530.30 = 66,776,079.40 : x
  2. Step 2: Convert to fraction form
    220,181,007.40/330,187,530.30 = 66,776,079.40/x
  3. Step 3: Cross multiply
    220,181,007.40x = 330,187,530.30 × 66,776,079.40
  4. Step 4: Simplify right side
    220,181,007.40x = 22,048,628,740,202,708
  5. Step 5: Solve for x
    x = 22,048,628,740,202,708/220,181,007.40
  6. Step 6: Final answer
    x = 100,138,649.56

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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.