Home / 111,186,383.68-166,544,949.12-89,207,769.04

Finding the Fourth Proportional to 111,186,383.68, 166,544,949.12 and 89,207,769.04

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Solution

The fourth proportional to 111,186,383.68, 166,544,949.12 and 89,207,769.04 is: 133,623,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,383.68 : 166,544,949.12 = 89,207,769.04 : x
  2. Step 2: Convert to fraction form
    111,186,383.68/166,544,949.12 = 89,207,769.04/x
  3. Step 3: Cross multiply
    111,186,383.68x = 166,544,949.12 × 89,207,769.04
  4. Step 4: Simplify right side
    111,186,383.68x = 14,857,103,355,875,512
  5. Step 5: Solve for x
    x = 14,857,103,355,875,512/111,186,383.68
  6. Step 6: Final answer
    x = 133,623,406.61

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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.