Home / 76,493,478.96-105,558,319.78-41,685,459.12

Finding the Fourth Proportional to 76,493,478.96, 105,558,319.78 and 41,685,459.12

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Solution

The fourth proportional to 76,493,478.96, 105,558,319.78 and 41,685,459.12 is: 57,524,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,493,478.96 : 105,558,319.78 = 41,685,459.12 : x
  2. Step 2: Convert to fraction form
    76,493,478.96/105,558,319.78 = 41,685,459.12/x
  3. Step 3: Cross multiply
    76,493,478.96x = 105,558,319.78 × 41,685,459.12
  4. Step 4: Simplify right side
    76,493,478.96x = 4,400,247,023,965,077
  5. Step 5: Solve for x
    x = 4,400,247,023,965,077/76,493,478.96
  6. Step 6: Final answer
    x = 57,524,472.46

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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.