Home / 147,530,986.20-221,296,479.30-143,751,850.20

Finding the Fourth Proportional to 147,530,986.20, 221,296,479.30 and 143,751,850.20

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Solution

The fourth proportional to 147,530,986.20, 221,296,479.30 and 143,751,850.20 is: 215,627,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,530,986.20 : 221,296,479.30 = 143,751,850.20 : x
  2. Step 2: Convert to fraction form
    147,530,986.20/221,296,479.30 = 143,751,850.20/x
  3. Step 3: Cross multiply
    147,530,986.20x = 221,296,479.30 × 143,751,850.20
  4. Step 4: Simplify right side
    147,530,986.20x = 31,811,778,342,121,000
  5. Step 5: Solve for x
    x = 31,811,778,342,121,000/147,530,986.20
  6. Step 6: Final answer
    x = 215,627,775.30

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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.