Home / 57,904,561.55-86,856,652.87-21,016,402.36

Finding the Fourth Proportional to 57,904,561.55, 86,856,652.87 and 21,016,402.36

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Solution

The fourth proportional to 57,904,561.55, 86,856,652.87 and 21,016,402.36 is: 31,524,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,904,561.55 : 86,856,652.87 = 21,016,402.36 : x
  2. Step 2: Convert to fraction form
    57,904,561.55/86,856,652.87 = 21,016,402.36/x
  3. Step 3: Cross multiply
    57,904,561.55x = 86,856,652.87 × 21,016,402.36
  4. Step 4: Simplify right side
    57,904,561.55x = 1,825,414,364,089,086.50
  5. Step 5: Solve for x
    x = 1,825,414,364,089,086.50/57,904,561.55
  6. Step 6: Final answer
    x = 31,524,534.77

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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.