Home / 81,287,866.48-121,904,466.32-29,461,620.33

Finding the Fourth Proportional to 81,287,866.48, 121,904,466.32 and 29,461,620.33

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Solution

The fourth proportional to 81,287,866.48, 121,904,466.32 and 29,461,620.33 is: 44,182,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,287,866.48 : 121,904,466.32 = 29,461,620.33 : x
  2. Step 2: Convert to fraction form
    81,287,866.48/121,904,466.32 = 29,461,620.33/x
  3. Step 3: Cross multiply
    81,287,866.48x = 121,904,466.32 × 29,461,620.33
  4. Step 4: Simplify right side
    81,287,866.48x = 3,591,503,103,709,224
  5. Step 5: Solve for x
    x = 3,591,503,103,709,224/81,287,866.48
  6. Step 6: Final answer
    x = 44,182,523.90

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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.