Home / 171,309,039.29-236,405,815.65-92,991,907.72

Finding the Fourth Proportional to 171,309,039.29, 236,405,815.65 and 92,991,907.72

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Solution

The fourth proportional to 171,309,039.29, 236,405,815.65 and 92,991,907.72 is: 128,328,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,309,039.29 : 236,405,815.65 = 92,991,907.72 : x
  2. Step 2: Convert to fraction form
    171,309,039.29/236,405,815.65 = 92,991,907.72/x
  3. Step 3: Cross multiply
    171,309,039.29x = 236,405,815.65 × 92,991,907.72
  4. Step 4: Simplify right side
    171,309,039.29x = 21,983,827,793,419,764
  5. Step 5: Solve for x
    x = 21,983,827,793,419,764/171,309,039.29
  6. Step 6: Final answer
    x = 128,328,475.16

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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.