Home / 156,202,018.92-215,580,745.83-96,682,406.01

Finding the Fourth Proportional to 156,202,018.92, 215,580,745.83 and 96,682,406.01

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Solution

The fourth proportional to 156,202,018.92, 215,580,745.83 and 96,682,406.01 is: 133,435,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,202,018.92 : 215,580,745.83 = 96,682,406.01 : x
  2. Step 2: Convert to fraction form
    156,202,018.92/215,580,745.83 = 96,682,406.01/x
  3. Step 3: Cross multiply
    156,202,018.92x = 215,580,745.83 × 96,682,406.01
  4. Step 4: Simplify right side
    156,202,018.92x = 20,842,865,196,274,676
  5. Step 5: Solve for x
    x = 20,842,865,196,274,676/156,202,018.92
  6. Step 6: Final answer
    x = 133,435,312.43

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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.