Home / 285,328,045.52-393,873,249.48-192,634,116.56

Finding the Fourth Proportional to 285,328,045.52, 393,873,249.48 and 192,634,116.56

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Solution

The fourth proportional to 285,328,045.52, 393,873,249.48 and 192,634,116.56 is: 265,916,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,328,045.52 : 393,873,249.48 = 192,634,116.56 : x
  2. Step 2: Convert to fraction form
    285,328,045.52/393,873,249.48 = 192,634,116.56/x
  3. Step 3: Cross multiply
    285,328,045.52x = 393,873,249.48 × 192,634,116.56
  4. Step 4: Simplify right side
    285,328,045.52x = 75,873,425,450,196,288
  5. Step 5: Solve for x
    x = 75,873,425,450,196,288/285,328,045.52
  6. Step 6: Final answer
    x = 265,916,465.77

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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.