Home / 105,682,905.40-158,524,358.10-89,558,591.80

Finding the Fourth Proportional to 105,682,905.40, 158,524,358.10 and 89,558,591.80

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Solution

The fourth proportional to 105,682,905.40, 158,524,358.10 and 89,558,591.80 is: 134,337,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,682,905.40 : 158,524,358.10 = 89,558,591.80 : x
  2. Step 2: Convert to fraction form
    105,682,905.40/158,524,358.10 = 89,558,591.80/x
  3. Step 3: Cross multiply
    105,682,905.40x = 158,524,358.10 × 89,558,591.80
  4. Step 4: Simplify right side
    105,682,905.40x = 14,197,218,277,434,922
  5. Step 5: Solve for x
    x = 14,197,218,277,434,922/105,682,905.40
  6. Step 6: Final answer
    x = 134,337,887.70

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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.