Home / 76,733,815.76-105,892,502.87-41,926,755.77

Finding the Fourth Proportional to 76,733,815.76, 105,892,502.87 and 41,926,755.77

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Solution

The fourth proportional to 76,733,815.76, 105,892,502.87 and 41,926,755.77 is: 57,858,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,733,815.76 : 105,892,502.87 = 41,926,755.77 : x
  2. Step 2: Convert to fraction form
    76,733,815.76/105,892,502.87 = 41,926,755.77/x
  3. Step 3: Cross multiply
    76,733,815.76x = 105,892,502.87 × 41,926,755.77
  4. Step 4: Simplify right side
    76,733,815.76x = 4,439,729,104,965,417.50
  5. Step 5: Solve for x
    x = 4,439,729,104,965,417.50/76,733,815.76
  6. Step 6: Final answer
    x = 57,858,833.96

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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.