Home / 305,137,022.94-421,086,122.37-165,907,784.34

Finding the Fourth Proportional to 305,137,022.94, 421,086,122.37 and 165,907,784.34

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Solution

The fourth proportional to 305,137,022.94, 421,086,122.37 and 165,907,784.34 is: 228,951,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,137,022.94 : 421,086,122.37 = 165,907,784.34 : x
  2. Step 2: Convert to fraction form
    305,137,022.94/421,086,122.37 = 165,907,784.34/x
  3. Step 3: Cross multiply
    305,137,022.94x = 421,086,122.37 × 165,907,784.34
  4. Step 4: Simplify right side
    305,137,022.94x = 69,861,465,578,728,808
  5. Step 5: Solve for x
    x = 69,861,465,578,728,808/305,137,022.94
  6. Step 6: Final answer
    x = 228,951,127.94

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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.