Home / 209,086,613.74-288,834,583.44-167,546,626.30

Finding the Fourth Proportional to 209,086,613.74, 288,834,583.44 and 167,546,626.30

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Solution

The fourth proportional to 209,086,613.74, 288,834,583.44 and 167,546,626.30 is: 231,450,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,086,613.74 : 288,834,583.44 = 167,546,626.30 : x
  2. Step 2: Convert to fraction form
    209,086,613.74/288,834,583.44 = 167,546,626.30/x
  3. Step 3: Cross multiply
    209,086,613.74x = 288,834,583.44 × 167,546,626.30
  4. Step 4: Simplify right side
    209,086,613.74x = 48,393,260,014,137,848
  5. Step 5: Solve for x
    x = 48,393,260,014,137,848/209,086,613.74
  6. Step 6: Final answer
    x = 231,450,780.84

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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.