Home / 363,955,986.45-545,933,979.68-159,882,642.45

Finding the Fourth Proportional to 363,955,986.45, 545,933,979.68 and 159,882,642.45

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Solution

The fourth proportional to 363,955,986.45, 545,933,979.68 and 159,882,642.45 is: 239,823,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,955,986.45 : 545,933,979.68 = 159,882,642.45 : x
  2. Step 2: Convert to fraction form
    363,955,986.45/545,933,979.68 = 159,882,642.45/x
  3. Step 3: Cross multiply
    363,955,986.45x = 545,933,979.68 × 159,882,642.45
  4. Step 4: Simplify right side
    363,955,986.45x = 87,285,367,273,683,584
  5. Step 5: Solve for x
    x = 87,285,367,273,683,584/363,955,986.45
  6. Step 6: Final answer
    x = 239,823,963.68

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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.