Home / 78,162,786.92-107,877,582.84-43,366,687.46

Finding the Fourth Proportional to 78,162,786.92, 107,877,582.84 and 43,366,687.46

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Solution

The fourth proportional to 78,162,786.92, 107,877,582.84 and 43,366,687.46 is: 59,853,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,162,786.92 : 107,877,582.84 = 43,366,687.46 : x
  2. Step 2: Convert to fraction form
    78,162,786.92/107,877,582.84 = 43,366,687.46/x
  3. Step 3: Cross multiply
    78,162,786.92x = 107,877,582.84 × 43,366,687.46
  4. Step 4: Simplify right side
    78,162,786.92x = 4,678,293,418,962,539
  5. Step 5: Solve for x
    x = 4,678,293,418,962,539/78,162,786.92
  6. Step 6: Final answer
    x = 59,853,206.41

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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.