Home / 314,235,874.20-471,324,728.52-148,201,308.48

Finding the Fourth Proportional to 314,235,874.20, 471,324,728.52 and 148,201,308.48

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Solution

The fourth proportional to 314,235,874.20, 471,324,728.52 and 148,201,308.48 is: 222,288,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,235,874.20 : 471,324,728.52 = 148,201,308.48 : x
  2. Step 2: Convert to fraction form
    314,235,874.20/471,324,728.52 = 148,201,308.48/x
  3. Step 3: Cross multiply
    314,235,874.20x = 471,324,728.52 × 148,201,308.48
  4. Step 4: Simplify right side
    314,235,874.20x = 69,850,941,485,644,768
  5. Step 5: Solve for x
    x = 69,850,941,485,644,768/314,235,874.20
  6. Step 6: Final answer
    x = 222,288,246.57

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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.