Home / 53,150,997.60-79,726,496.40-12,761,481.60

Finding the Fourth Proportional to 53,150,997.60, 79,726,496.40 and 12,761,481.60

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Solution

The fourth proportional to 53,150,997.60, 79,726,496.40 and 12,761,481.60 is: 19,142,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150,997.60 : 79,726,496.40 = 12,761,481.60 : x
  2. Step 2: Convert to fraction form
    53,150,997.60/79,726,496.40 = 12,761,481.60/x
  3. Step 3: Cross multiply
    53,150,997.60x = 79,726,496.40 × 12,761,481.60
  4. Step 4: Simplify right side
    53,150,997.60x = 1,017,428,216,841,066.25
  5. Step 5: Solve for x
    x = 1,017,428,216,841,066.25/53,150,997.60
  6. Step 6: Final answer
    x = 19,142,222.40

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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.