Home / 86,910,165.26-119,906,365.54-53,858,354.80

Finding the Fourth Proportional to 86,910,165.26, 119,906,365.54 and 53,858,354.80

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Solution

The fourth proportional to 86,910,165.26, 119,906,365.54 and 53,858,354.80 is: 74,306,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910,165.26 : 119,906,365.54 = 53,858,354.80 : x
  2. Step 2: Convert to fraction form
    86,910,165.26/119,906,365.54 = 53,858,354.80/x
  3. Step 3: Cross multiply
    86,910,165.26x = 119,906,365.54 × 53,858,354.80
  4. Step 4: Simplify right side
    86,910,165.26x = 6,457,959,578,031,814
  5. Step 5: Solve for x
    x = 6,457,959,578,031,814/86,910,165.26
  6. Step 6: Final answer
    x = 74,306,147.72

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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.