Home / 59,727,990.76-82,450,105.32-40,160,221.36

Finding the Fourth Proportional to 59,727,990.76, 82,450,105.32 and 40,160,221.36

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Solution

The fourth proportional to 59,727,990.76, 82,450,105.32 and 40,160,221.36 is: 55,438,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,727,990.76 : 82,450,105.32 = 40,160,221.36 : x
  2. Step 2: Convert to fraction form
    59,727,990.76/82,450,105.32 = 40,160,221.36/x
  3. Step 3: Cross multiply
    59,727,990.76x = 82,450,105.32 × 40,160,221.36
  4. Step 4: Simplify right side
    59,727,990.76x = 3,311,214,480,806,513.50
  5. Step 5: Solve for x
    x = 3,311,214,480,806,513.50/59,727,990.76
  6. Step 6: Final answer
    x = 55,438,236.56

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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.