Home / 117,632,378.28-162,331,786.12-64,707,949.20

Finding the Fourth Proportional to 117,632,378.28, 162,331,786.12 and 64,707,949.20

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Solution

The fourth proportional to 117,632,378.28, 162,331,786.12 and 64,707,949.20 is: 89,296,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,378.28 : 162,331,786.12 = 64,707,949.20 : x
  2. Step 2: Convert to fraction form
    117,632,378.28/162,331,786.12 = 64,707,949.20/x
  3. Step 3: Cross multiply
    117,632,378.28x = 162,331,786.12 × 64,707,949.20
  4. Step 4: Simplify right side
    117,632,378.28x = 10,504,156,969,798,226
  5. Step 5: Solve for x
    x = 10,504,156,969,798,226/117,632,378.28
  6. Step 6: Final answer
    x = 89,296,477.07

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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.