Home / 275,316,071.45-412,823,161.12-109,151,244.42

Finding the Fourth Proportional to 275,316,071.45, 412,823,161.12 and 109,151,244.42

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Solution

The fourth proportional to 275,316,071.45, 412,823,161.12 and 109,151,244.42 is: 163,667,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,316,071.45 : 412,823,161.12 = 109,151,244.42 : x
  2. Step 2: Convert to fraction form
    275,316,071.45/412,823,161.12 = 109,151,244.42/x
  3. Step 3: Cross multiply
    275,316,071.45x = 412,823,161.12 × 109,151,244.42
  4. Step 4: Simplify right side
    275,316,071.45x = 45,060,161,761,373,288
  5. Step 5: Solve for x
    x = 45,060,161,761,373,288/275,316,071.45
  6. Step 6: Final answer
    x = 163,667,022.87

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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.