Home / 133,738,520.84-200,655,566.35-81,322,834.33

Finding the Fourth Proportional to 133,738,520.84, 200,655,566.35 and 81,322,834.33

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Solution

The fourth proportional to 133,738,520.84, 200,655,566.35 and 81,322,834.33 is: 122,013,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,738,520.84 : 200,655,566.35 = 81,322,834.33 : x
  2. Step 2: Convert to fraction form
    133,738,520.84/200,655,566.35 = 81,322,834.33/x
  3. Step 3: Cross multiply
    133,738,520.84x = 200,655,566.35 × 81,322,834.33
  4. Step 4: Simplify right side
    133,738,520.84x = 16,317,879,380,627,696
  5. Step 5: Solve for x
    x = 16,317,879,380,627,696/133,738,520.84
  6. Step 6: Final answer
    x = 122,013,308.35

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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.