Home / 156,728,307.37-234,580,898.51-115,218,195.37

Finding the Fourth Proportional to 156,728,307.37, 234,580,898.51 and 115,218,195.37

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Solution

The fourth proportional to 156,728,307.37, 234,580,898.51 and 115,218,195.37 is: 172,451,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,728,307.37 : 234,580,898.51 = 115,218,195.37 : x
  2. Step 2: Convert to fraction form
    156,728,307.37/234,580,898.51 = 115,218,195.37/x
  3. Step 3: Cross multiply
    156,728,307.37x = 234,580,898.51 × 115,218,195.37
  4. Step 4: Simplify right side
    156,728,307.37x = 27,027,987,794,019,232
  5. Step 5: Solve for x
    x = 27,027,987,794,019,232/156,728,307.37
  6. Step 6: Final answer
    x = 172,451,219.87

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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.