Home / 209,324,541.80-313,986,812.70-136,145,116.10

Finding the Fourth Proportional to 209,324,541.80, 313,986,812.70 and 136,145,116.10

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Solution

The fourth proportional to 209,324,541.80, 313,986,812.70 and 136,145,116.10 is: 204,217,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,324,541.80 : 313,986,812.70 = 136,145,116.10 : x
  2. Step 2: Convert to fraction form
    209,324,541.80/313,986,812.70 = 136,145,116.10/x
  3. Step 3: Cross multiply
    209,324,541.80x = 313,986,812.70 × 136,145,116.10
  4. Step 4: Simplify right side
    209,324,541.80x = 42,747,771,068,910,448
  5. Step 5: Solve for x
    x = 42,747,771,068,910,448/209,324,541.80
  6. Step 6: Final answer
    x = 204,217,674.15

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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.