Home / 156,067,896.24-215,370,815.22-86,451,749.64

Finding the Fourth Proportional to 156,067,896.24, 215,370,815.22 and 86,451,749.64

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Solution

The fourth proportional to 156,067,896.24, 215,370,815.22 and 86,451,749.64 is: 119,301,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067,896.24 : 215,370,815.22 = 86,451,749.64 : x
  2. Step 2: Convert to fraction form
    156,067,896.24/215,370,815.22 = 86,451,749.64/x
  3. Step 3: Cross multiply
    156,067,896.24x = 215,370,815.22 × 86,451,749.64
  4. Step 4: Simplify right side
    156,067,896.24x = 18,619,183,797,162,140
  5. Step 5: Solve for x
    x = 18,619,183,797,162,140/156,067,896.24
  6. Step 6: Final answer
    x = 119,301,818.28

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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.