Home / 112,269,861.60-168,404,792.40-54,799,000.80

Finding the Fourth Proportional to 112,269,861.60, 168,404,792.40 and 54,799,000.80

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Solution

The fourth proportional to 112,269,861.60, 168,404,792.40 and 54,799,000.80 is: 82,198,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,861.60 : 168,404,792.40 = 54,799,000.80 : x
  2. Step 2: Convert to fraction form
    112,269,861.60/168,404,792.40 = 54,799,000.80/x
  3. Step 3: Cross multiply
    112,269,861.60x = 168,404,792.40 × 54,799,000.80
  4. Step 4: Simplify right side
    112,269,861.60x = 9,228,414,353,451,434
  5. Step 5: Solve for x
    x = 9,228,414,353,451,434/112,269,861.60
  6. Step 6: Final answer
    x = 82,198,501.20

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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.