Home / 65,448,718.56-90,319,504.41-36,079,406.73

Finding the Fourth Proportional to 65,448,718.56, 90,319,504.41 and 36,079,406.73

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Solution

The fourth proportional to 65,448,718.56, 90,319,504.41 and 36,079,406.73 is: 49,789,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,718.56 : 90,319,504.41 = 36,079,406.73 : x
  2. Step 2: Convert to fraction form
    65,448,718.56/90,319,504.41 = 36,079,406.73/x
  3. Step 3: Cross multiply
    65,448,718.56x = 90,319,504.41 × 36,079,406.73
  4. Step 4: Simplify right side
    65,448,718.56x = 3,258,674,135,260,418.50
  5. Step 5: Solve for x
    x = 3,258,674,135,260,418.50/65,448,718.56
  6. Step 6: Final answer
    x = 49,789,731.67

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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.