Home / 205,807,084.34-309,942,766.14-187,440,483.38

Finding the Fourth Proportional to 205,807,084.34, 309,942,766.14 and 187,440,483.38

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Solution

The fourth proportional to 205,807,084.34, 309,942,766.14 and 187,440,483.38 is: 282,282,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,807,084.34 : 309,942,766.14 = 187,440,483.38 : x
  2. Step 2: Convert to fraction form
    205,807,084.34/309,942,766.14 = 187,440,483.38/x
  3. Step 3: Cross multiply
    205,807,084.34x = 309,942,766.14 × 187,440,483.38
  4. Step 4: Simplify right side
    205,807,084.34x = 58,095,821,903,163,288
  5. Step 5: Solve for x
    x = 58,095,821,903,163,288/205,807,084.34
  6. Step 6: Final answer
    x = 282,282,906.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.