Home / 117,984,102.84-162,809,747.82-65,770,828.92

Finding the Fourth Proportional to 117,984,102.84, 162,809,747.82 and 65,770,828.92

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Solution

The fourth proportional to 117,984,102.84, 162,809,747.82 and 65,770,828.92 is: 90,759,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,984,102.84 : 162,809,747.82 = 65,770,828.92 : x
  2. Step 2: Convert to fraction form
    117,984,102.84/162,809,747.82 = 65,770,828.92/x
  3. Step 3: Cross multiply
    117,984,102.84x = 162,809,747.82 × 65,770,828.92
  4. Step 4: Simplify right side
    117,984,102.84x = 10,708,132,070,377,562
  5. Step 5: Solve for x
    x = 10,708,132,070,377,562/117,984,102.84
  6. Step 6: Final answer
    x = 90,759,109.17

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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.