Home / 53,387,906.40-80,081,859.60-19,314,511.20

Finding the Fourth Proportional to 53,387,906.40, 80,081,859.60 and 19,314,511.20

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Solution

The fourth proportional to 53,387,906.40, 80,081,859.60 and 19,314,511.20 is: 28,971,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387,906.40 : 80,081,859.60 = 19,314,511.20 : x
  2. Step 2: Convert to fraction form
    53,387,906.40/80,081,859.60 = 19,314,511.20/x
  3. Step 3: Cross multiply
    53,387,906.40x = 80,081,859.60 × 19,314,511.20
  4. Step 4: Simplify right side
    53,387,906.40x = 1,546,741,974,161,027.25
  5. Step 5: Solve for x
    x = 1,546,741,974,161,027.25/53,387,906.40
  6. Step 6: Final answer
    x = 28,971,766.80

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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.