Home / 76,922,968.46-106,149,491.80-42,108,924.65

Finding the Fourth Proportional to 76,922,968.46, 106,149,491.80 and 42,108,924.65

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Solution

The fourth proportional to 76,922,968.46, 106,149,491.80 and 42,108,924.65 is: 58,108,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,922,968.46 : 106,149,491.80 = 42,108,924.65 : x
  2. Step 2: Convert to fraction form
    76,922,968.46/106,149,491.80 = 42,108,924.65/x
  3. Step 3: Cross multiply
    76,922,968.46x = 106,149,491.80 × 42,108,924.65
  4. Step 4: Simplify right side
    76,922,968.46x = 4,469,840,951,205,973.50
  5. Step 5: Solve for x
    x = 4,469,840,951,205,973.50/76,922,968.46
  6. Step 6: Final answer
    x = 58,108,014.30

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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.