Home / 57,632,997.07-79,533,298.16-31,171,380.45

Finding the Fourth Proportional to 57,632,997.07, 79,533,298.16 and 31,171,380.45

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Solution

The fourth proportional to 57,632,997.07, 79,533,298.16 and 31,171,380.45 is: 43,016,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632,997.07 : 79,533,298.16 = 31,171,380.45 : x
  2. Step 2: Convert to fraction form
    57,632,997.07/79,533,298.16 = 31,171,380.45/x
  3. Step 3: Cross multiply
    57,632,997.07x = 79,533,298.16 × 31,171,380.45
  4. Step 4: Simplify right side
    57,632,997.07x = 2,479,162,694,990,978.50
  5. Step 5: Solve for x
    x = 2,479,162,694,990,978.50/57,632,997.07
  6. Step 6: Final answer
    x = 43,016,376.40

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Why These Related Problems?

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