Home / 171,287,771.57-236,370,789.65-92,969,658.89

Finding the Fourth Proportional to 171,287,771.57, 236,370,789.65 and 92,969,658.89

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Solution

The fourth proportional to 171,287,771.57, 236,370,789.65 and 92,969,658.89 is: 128,294,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,287,771.57 : 236,370,789.65 = 92,969,658.89 : x
  2. Step 2: Convert to fraction form
    171,287,771.57/236,370,789.65 = 92,969,658.89/x
  3. Step 3: Cross multiply
    171,287,771.57x = 236,370,789.65 × 92,969,658.89
  4. Step 4: Simplify right side
    171,287,771.57x = 21,975,311,684,371,016
  5. Step 5: Solve for x
    x = 21,975,311,684,371,016/171,287,771.57
  6. Step 6: Final answer
    x = 128,294,690.76

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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.