Home / 449,172,040.70-673,758,061.05-108,769,864.70

Finding the Fourth Proportional to 449,172,040.70, 673,758,061.05 and 108,769,864.70

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Solution

The fourth proportional to 449,172,040.70, 673,758,061.05 and 108,769,864.70 is: 163,154,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,172,040.70 : 673,758,061.05 = 108,769,864.70 : x
  2. Step 2: Convert to fraction form
    449,172,040.70/673,758,061.05 = 108,769,864.70/x
  3. Step 3: Cross multiply
    449,172,040.70x = 673,758,061.05 × 108,769,864.70
  4. Step 4: Simplify right side
    449,172,040.70x = 73,284,573,140,942,832
  5. Step 5: Solve for x
    x = 73,284,573,140,942,832/449,172,040.70
  6. Step 6: Final answer
    x = 163,154,797.05

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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.