Home / 148,613,429.70-222,920,144.55-80,588,981.70

Finding the Fourth Proportional to 148,613,429.70, 222,920,144.55 and 80,588,981.70

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Solution

The fourth proportional to 148,613,429.70, 222,920,144.55 and 80,588,981.70 is: 120,883,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,613,429.70 : 222,920,144.55 = 80,588,981.70 : x
  2. Step 2: Convert to fraction form
    148,613,429.70/222,920,144.55 = 80,588,981.70/x
  3. Step 3: Cross multiply
    148,613,429.70x = 222,920,144.55 × 80,588,981.70
  4. Step 4: Simplify right side
    148,613,429.70x = 17,964,907,449,701,306
  5. Step 5: Solve for x
    x = 17,964,907,449,701,306/148,613,429.70
  6. Step 6: Final answer
    x = 120,883,472.55

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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.