Home / 203,245,812.80-304,868,719.20-199,706,868.80

Finding the Fourth Proportional to 203,245,812.80, 304,868,719.20 and 199,706,868.80

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Solution

The fourth proportional to 203,245,812.80, 304,868,719.20 and 199,706,868.80 is: 299,560,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,245,812.80 : 304,868,719.20 = 199,706,868.80 : x
  2. Step 2: Convert to fraction form
    203,245,812.80/304,868,719.20 = 199,706,868.80/x
  3. Step 3: Cross multiply
    203,245,812.80x = 304,868,719.20 × 199,706,868.80
  4. Step 4: Simplify right side
    203,245,812.80x = 60,884,377,306,498,440
  5. Step 5: Solve for x
    x = 60,884,377,306,498,440/203,245,812.80
  6. Step 6: Final answer
    x = 299,560,303.20

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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.