Home / 117,728,416.80-176,620,618.80-49,536,007.20

Finding the Fourth Proportional to 117,728,416.80, 176,620,618.80 and 49,536,007.20

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Solution

The fourth proportional to 117,728,416.80, 176,620,618.80 and 49,536,007.20 is: 74,315,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,728,416.80 : 176,620,618.80 = 49,536,007.20 : x
  2. Step 2: Convert to fraction form
    117,728,416.80/176,620,618.80 = 49,536,007.20/x
  3. Step 3: Cross multiply
    117,728,416.80x = 176,620,618.80 × 49,536,007.20
  4. Step 4: Simplify right side
    117,728,416.80x = 8,749,080,244,545,256
  5. Step 5: Solve for x
    x = 8,749,080,244,545,256/117,728,416.80
  6. Step 6: Final answer
    x = 74,315,789.53

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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.