Home / 111,019,292.20-166,624,597.68-76,964,552.92

Finding the Fourth Proportional to 111,019,292.20, 166,624,597.68 and 76,964,552.92

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Solution

The fourth proportional to 111,019,292.20, 166,624,597.68 and 76,964,552.92 is: 115,513,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019,292.20 : 166,624,597.68 = 76,964,552.92 : x
  2. Step 2: Convert to fraction form
    111,019,292.20/166,624,597.68 = 76,964,552.92/x
  3. Step 3: Cross multiply
    111,019,292.20x = 166,624,597.68 × 76,964,552.92
  4. Step 4: Simplify right side
    111,019,292.20x = 12,824,187,665,916,070
  5. Step 5: Solve for x
    x = 12,824,187,665,916,070/111,019,292.20
  6. Step 6: Final answer
    x = 115,513,145.61

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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.