Home / 133,738,470.92-200,655,491.22-81,322,783.76

Finding the Fourth Proportional to 133,738,470.92, 200,655,491.22 and 81,322,783.76

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Solution

The fourth proportional to 133,738,470.92, 200,655,491.22 and 81,322,783.76 is: 122,013,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,738,470.92 : 200,655,491.22 = 81,322,783.76 : x
  2. Step 2: Convert to fraction form
    133,738,470.92/200,655,491.22 = 81,322,783.76/x
  3. Step 3: Cross multiply
    133,738,470.92x = 200,655,491.22 × 81,322,783.76
  4. Step 4: Simplify right side
    133,738,470.92x = 16,317,863,122,740,640
  5. Step 5: Solve for x
    x = 16,317,863,122,740,640/133,738,470.92
  6. Step 6: Final answer
    x = 122,013,232.32

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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.