Home / 76,801,890.05-115,202,945.96-31,363,684.55

Finding the Fourth Proportional to 76,801,890.05, 115,202,945.96 and 31,363,684.55

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Solution

The fourth proportional to 76,801,890.05, 115,202,945.96 and 31,363,684.55 is: 47,045,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,801,890.05 : 115,202,945.96 = 31,363,684.55 : x
  2. Step 2: Convert to fraction form
    76,801,890.05/115,202,945.96 = 31,363,684.55/x
  3. Step 3: Cross multiply
    76,801,890.05x = 115,202,945.96 × 31,363,684.55
  4. Step 4: Simplify right side
    76,801,890.05x = 3,613,188,855,587,304
  5. Step 5: Solve for x
    x = 3,613,188,855,587,304/76,801,890.05
  6. Step 6: Final answer
    x = 47,045,572.10

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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.