Home / 171,097,387.80-256,709,067.30-56,085,682.20

Finding the Fourth Proportional to 171,097,387.80, 256,709,067.30 and 56,085,682.20

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Solution

The fourth proportional to 171,097,387.80, 256,709,067.30 and 56,085,682.20 is: 84,149,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,097,387.80 : 256,709,067.30 = 56,085,682.20 : x
  2. Step 2: Convert to fraction form
    171,097,387.80/256,709,067.30 = 56,085,682.20/x
  3. Step 3: Cross multiply
    171,097,387.80x = 256,709,067.30 × 56,085,682.20
  4. Step 4: Simplify right side
    171,097,387.80x = 14,397,703,166,446,214
  5. Step 5: Solve for x
    x = 14,397,703,166,446,214/171,097,387.80
  6. Step 6: Final answer
    x = 84,149,169.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.