Home / 100,951,998.40-151,427,997.60-64,672,292.80

Finding the Fourth Proportional to 100,951,998.40, 151,427,997.60 and 64,672,292.80

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Solution

The fourth proportional to 100,951,998.40, 151,427,997.60 and 64,672,292.80 is: 97,008,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,951,998.40 : 151,427,997.60 = 64,672,292.80 : x
  2. Step 2: Convert to fraction form
    100,951,998.40/151,427,997.60 = 64,672,292.80/x
  3. Step 3: Cross multiply
    100,951,998.40x = 151,427,997.60 × 64,672,292.80
  4. Step 4: Simplify right side
    100,951,998.40x = 9,793,195,798,904,896
  5. Step 5: Solve for x
    x = 9,793,195,798,904,896/100,951,998.40
  6. Step 6: Final answer
    x = 97,008,439.20

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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.