Home / 117,233,861.39-175,628,829.33-78,254,779.97

Finding the Fourth Proportional to 117,233,861.39, 175,628,829.33 and 78,254,779.97

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Solution

The fourth proportional to 117,233,861.39, 175,628,829.33 and 78,254,779.97 is: 117,234,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233,861.39 : 175,628,829.33 = 78,254,779.97 : x
  2. Step 2: Convert to fraction form
    117,233,861.39/175,628,829.33 = 78,254,779.97/x
  3. Step 3: Cross multiply
    117,233,861.39x = 175,628,829.33 × 78,254,779.97
  4. Step 4: Simplify right side
    117,233,861.39x = 13,743,795,394,729,690
  5. Step 5: Solve for x
    x = 13,743,795,394,729,690/117,233,861.39
  6. Step 6: Final answer
    x = 117,234,007.58

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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.