Home / 215,760,032.55-323,539,429.68-112,101,370.65

Finding the Fourth Proportional to 215,760,032.55, 323,539,429.68 and 112,101,370.65

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Solution

The fourth proportional to 215,760,032.55, 323,539,429.68 and 112,101,370.65 is: 168,099,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,760,032.55 : 323,539,429.68 = 112,101,370.65 : x
  2. Step 2: Convert to fraction form
    215,760,032.55/323,539,429.68 = 112,101,370.65/x
  3. Step 3: Cross multiply
    215,760,032.55x = 323,539,429.68 × 112,101,370.65
  4. Step 4: Simplify right side
    215,760,032.55x = 36,269,213,526,447,296
  5. Step 5: Solve for x
    x = 36,269,213,526,447,296/215,760,032.55
  6. Step 6: Final answer
    x = 168,099,777.78

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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.