Home / 71,339,158.22-98,454,109.84-40,404,830.54

Finding the Fourth Proportional to 71,339,158.22, 98,454,109.84 and 40,404,830.54

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Solution

The fourth proportional to 71,339,158.22, 98,454,109.84 and 40,404,830.54 is: 55,762,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339,158.22 : 98,454,109.84 = 40,404,830.54 : x
  2. Step 2: Convert to fraction form
    71,339,158.22/98,454,109.84 = 40,404,830.54/x
  3. Step 3: Cross multiply
    71,339,158.22x = 98,454,109.84 × 40,404,830.54
  4. Step 4: Simplify right side
    71,339,158.22x = 3,978,021,623,458,464
  5. Step 5: Solve for x
    x = 3,978,021,623,458,464/71,339,158.22
  6. Step 6: Final answer
    x = 55,762,104.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.