Home / 117,632,552.40-176,616,790.20-66,614,216.40

Finding the Fourth Proportional to 117,632,552.40, 176,616,790.20 and 66,614,216.40

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Solution

The fourth proportional to 117,632,552.40, 176,616,790.20 and 66,614,216.40 is: 100,016,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,552.40 : 176,616,790.20 = 66,614,216.40 : x
  2. Step 2: Convert to fraction form
    117,632,552.40/176,616,790.20 = 66,614,216.40/x
  3. Step 3: Cross multiply
    117,632,552.40x = 176,616,790.20 × 66,614,216.40
  4. Step 4: Simplify right side
    117,632,552.40x = 11,765,189,082,256,198
  5. Step 5: Solve for x
    x = 11,765,189,082,256,198/117,632,552.40
  6. Step 6: Final answer
    x = 100,016,439.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.