Home / 274,168,927.69-378,261,110.39-156,611,029.21

Finding the Fourth Proportional to 274,168,927.69, 378,261,110.39 and 156,611,029.21

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Solution

The fourth proportional to 274,168,927.69, 378,261,110.39 and 156,611,029.21 is: 216,070,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,168,927.69 : 378,261,110.39 = 156,611,029.21 : x
  2. Step 2: Convert to fraction form
    274,168,927.69/378,261,110.39 = 156,611,029.21/x
  3. Step 3: Cross multiply
    274,168,927.69x = 378,261,110.39 × 156,611,029.21
  4. Step 4: Simplify right side
    274,168,927.69x = 59,239,861,806,566,616
  5. Step 5: Solve for x
    x = 59,239,861,806,566,616/274,168,927.69
  6. Step 6: Final answer
    x = 216,070,662.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.