Home / 117,984,099.84-162,809,743.68-65,770,825.92

Finding the Fourth Proportional to 117,984,099.84, 162,809,743.68 and 65,770,825.92

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Solution

The fourth proportional to 117,984,099.84, 162,809,743.68 and 65,770,825.92 is: 90,759,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,984,099.84 : 162,809,743.68 = 65,770,825.92 : x
  2. Step 2: Convert to fraction form
    117,984,099.84/162,809,743.68 = 65,770,825.92/x
  3. Step 3: Cross multiply
    117,984,099.84x = 162,809,743.68 × 65,770,825.92
  4. Step 4: Simplify right side
    117,984,099.84x = 10,708,131,309,657,100
  5. Step 5: Solve for x
    x = 10,708,131,309,657,100/117,984,099.84
  6. Step 6: Final answer
    x = 90,759,105.03

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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.