Home / 141,458,579.33-195,212,542.25-79,578,917.96

Finding the Fourth Proportional to 141,458,579.33, 195,212,542.25 and 79,578,917.96

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Solution

The fourth proportional to 141,458,579.33, 195,212,542.25 and 79,578,917.96 is: 109,818,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,458,579.33 : 195,212,542.25 = 79,578,917.96 : x
  2. Step 2: Convert to fraction form
    141,458,579.33/195,212,542.25 = 79,578,917.96/x
  3. Step 3: Cross multiply
    141,458,579.33x = 195,212,542.25 × 79,578,917.96
  4. Step 4: Simplify right side
    141,458,579.33x = 15,534,802,883,698,668
  5. Step 5: Solve for x
    x = 15,534,802,883,698,668/141,458,579.33
  6. Step 6: Final answer
    x = 109,818,739.58

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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.