Home / 87,493,332.72-131,209,606.44-48,690,998.76

Finding the Fourth Proportional to 87,493,332.72, 131,209,606.44 and 48,690,998.76

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Solution

The fourth proportional to 87,493,332.72, 131,209,606.44 and 48,690,998.76 is: 73,019,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493,332.72 : 131,209,606.44 = 48,690,998.76 : x
  2. Step 2: Convert to fraction form
    87,493,332.72/131,209,606.44 = 48,690,998.76/x
  3. Step 3: Cross multiply
    87,493,332.72x = 131,209,606.44 × 48,690,998.76
  4. Step 4: Simplify right side
    87,493,332.72x = 6,388,726,784,470,128
  5. Step 5: Solve for x
    x = 6,388,726,784,470,128/87,493,332.72
  6. Step 6: Final answer
    x = 73,019,584.30

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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.