Home / 172,220,858.09-258,259,459.25-54,015,164.03

Finding the Fourth Proportional to 172,220,858.09, 258,259,459.25 and 54,015,164.03

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Solution

The fourth proportional to 172,220,858.09, 258,259,459.25 and 54,015,164.03 is: 81,000,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,220,858.09 : 258,259,459.25 = 54,015,164.03 : x
  2. Step 2: Convert to fraction form
    172,220,858.09/258,259,459.25 = 54,015,164.03/x
  3. Step 3: Cross multiply
    172,220,858.09x = 258,259,459.25 × 54,015,164.03
  4. Step 4: Simplify right side
    172,220,858.09x = 13,949,927,052,126,478
  5. Step 5: Solve for x
    x = 13,949,927,052,126,478/172,220,858.09
  6. Step 6: Final answer
    x = 81,000,218.01

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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.