Home / 107,845,704.80-161,768,557.20-90,627,016.40

Finding the Fourth Proportional to 107,845,704.80, 161,768,557.20 and 90,627,016.40

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Solution

The fourth proportional to 107,845,704.80, 161,768,557.20 and 90,627,016.40 is: 135,940,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,845,704.80 : 161,768,557.20 = 90,627,016.40 : x
  2. Step 2: Convert to fraction form
    107,845,704.80/161,768,557.20 = 90,627,016.40/x
  3. Step 3: Cross multiply
    107,845,704.80x = 161,768,557.20 × 90,627,016.40
  4. Step 4: Simplify right side
    107,845,704.80x = 14,660,601,686,368,738
  5. Step 5: Solve for x
    x = 14,660,601,686,368,738/107,845,704.80
  6. Step 6: Final answer
    x = 135,940,524.60

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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.