Home / 209,969,553.70-314,954,330.55-198,065,275.30

Finding the Fourth Proportional to 209,969,553.70, 314,954,330.55 and 198,065,275.30

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Solution

The fourth proportional to 209,969,553.70, 314,954,330.55 and 198,065,275.30 is: 297,097,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,969,553.70 : 314,954,330.55 = 198,065,275.30 : x
  2. Step 2: Convert to fraction form
    209,969,553.70/314,954,330.55 = 198,065,275.30/x
  3. Step 3: Cross multiply
    209,969,553.70x = 314,954,330.55 × 198,065,275.30
  4. Step 4: Simplify right side
    209,969,553.70x = 62,381,516,187,312,960
  5. Step 5: Solve for x
    x = 62,381,516,187,312,960/209,969,553.70
  6. Step 6: Final answer
    x = 297,097,912.95

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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.