Home / 161,720,959.70-242,581,439.55-157,469,431.70

Finding the Fourth Proportional to 161,720,959.70, 242,581,439.55 and 157,469,431.70

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Solution

The fourth proportional to 161,720,959.70, 242,581,439.55 and 157,469,431.70 is: 236,204,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,720,959.70 : 242,581,439.55 = 157,469,431.70 : x
  2. Step 2: Convert to fraction form
    161,720,959.70/242,581,439.55 = 157,469,431.70/x
  3. Step 3: Cross multiply
    161,720,959.70x = 242,581,439.55 × 157,469,431.70
  4. Step 4: Simplify right side
    161,720,959.70x = 38,199,161,426,906,400
  5. Step 5: Solve for x
    x = 38,199,161,426,906,400/161,720,959.70
  6. Step 6: Final answer
    x = 236,204,147.55

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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.