Home / 141,245,935.20-211,868,902.80-73,109,512.80

Finding the Fourth Proportional to 141,245,935.20, 211,868,902.80 and 73,109,512.80

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Solution

The fourth proportional to 141,245,935.20, 211,868,902.80 and 73,109,512.80 is: 109,664,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,245,935.20 : 211,868,902.80 = 73,109,512.80 : x
  2. Step 2: Convert to fraction form
    141,245,935.20/211,868,902.80 = 73,109,512.80/x
  3. Step 3: Cross multiply
    141,245,935.20x = 211,868,902.80 × 73,109,512.80
  4. Step 4: Simplify right side
    141,245,935.20x = 15,489,632,261,178,556
  5. Step 5: Solve for x
    x = 15,489,632,261,178,556/141,245,935.20
  6. Step 6: Final answer
    x = 109,664,269.20

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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.