Home / 189,099,066.82-260,960,705.20-106,592,829.70

Finding the Fourth Proportional to 189,099,066.82, 260,960,705.20 and 106,592,829.70

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Solution

The fourth proportional to 189,099,066.82, 260,960,705.20 and 106,592,829.70 is: 147,100,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,099,066.82 : 260,960,705.20 = 106,592,829.70 : x
  2. Step 2: Convert to fraction form
    189,099,066.82/260,960,705.20 = 106,592,829.70/x
  3. Step 3: Cross multiply
    189,099,066.82x = 260,960,705.20 × 106,592,829.70
  4. Step 4: Simplify right side
    189,099,066.82x = 27,816,540,007,775,504
  5. Step 5: Solve for x
    x = 27,816,540,007,775,504/189,099,066.82
  6. Step 6: Final answer
    x = 147,100,355.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.