Home / 65,873,927.68-90,904,910.34-36,505,200.40

Finding the Fourth Proportional to 65,873,927.68, 90,904,910.34 and 36,505,200.40

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Solution

The fourth proportional to 65,873,927.68, 90,904,910.34 and 36,505,200.40 is: 50,376,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,873,927.68 : 90,904,910.34 = 36,505,200.40 : x
  2. Step 2: Convert to fraction form
    65,873,927.68/90,904,910.34 = 36,505,200.40/x
  3. Step 3: Cross multiply
    65,873,927.68x = 90,904,910.34 × 36,505,200.40
  4. Step 4: Simplify right side
    65,873,927.68x = 3,318,501,969,305,732
  5. Step 5: Solve for x
    x = 3,318,501,969,305,732/65,873,927.68
  6. Step 6: Final answer
    x = 50,376,561.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.