Home / 71,938,697.22-107,861,651.16-28,223,873.73

Finding the Fourth Proportional to 71,938,697.22, 107,861,651.16 and 28,223,873.73

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Solution

The fourth proportional to 71,938,697.22, 107,861,651.16 and 28,223,873.73 is: 42,317,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,938,697.22 : 107,861,651.16 = 28,223,873.73 : x
  2. Step 2: Convert to fraction form
    71,938,697.22/107,861,651.16 = 28,223,873.73/x
  3. Step 3: Cross multiply
    71,938,697.22x = 107,861,651.16 × 28,223,873.73
  4. Step 4: Simplify right side
    71,938,697.22x = 3,044,273,622,649,148
  5. Step 5: Solve for x
    x = 3,044,273,622,649,148/71,938,697.22
  6. Step 6: Final answer
    x = 42,317,608.47

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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.