Home / 220,887,071.10-331,330,606.65-159,665,067.90

Finding the Fourth Proportional to 220,887,071.10, 331,330,606.65 and 159,665,067.90

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Solution

The fourth proportional to 220,887,071.10, 331,330,606.65 and 159,665,067.90 is: 239,497,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887,071.10 : 331,330,606.65 = 159,665,067.90 : x
  2. Step 2: Convert to fraction form
    220,887,071.10/331,330,606.65 = 159,665,067.90/x
  3. Step 3: Cross multiply
    220,887,071.10x = 331,330,606.65 × 159,665,067.90
  4. Step 4: Simplify right side
    220,887,071.10x = 52,901,923,808,120,440
  5. Step 5: Solve for x
    x = 52,901,923,808,120,440/220,887,071.10
  6. Step 6: Final answer
    x = 239,497,601.85

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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.