Home / 57,919,504.80-86,890,921.20-16,978,864.80

Finding the Fourth Proportional to 57,919,504.80, 86,890,921.20 and 16,978,864.80

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Solution

The fourth proportional to 57,919,504.80, 86,890,921.20 and 16,978,864.80 is: 25,471,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919,504.80 : 86,890,921.20 = 16,978,864.80 : x
  2. Step 2: Convert to fraction form
    57,919,504.80/86,890,921.20 = 16,978,864.80/x
  3. Step 3: Cross multiply
    57,919,504.80x = 86,890,921.20 × 16,978,864.80
  4. Step 4: Simplify right side
    57,919,504.80x = 1,475,309,203,402,254
  5. Step 5: Solve for x
    x = 1,475,309,203,402,254/57,919,504.80
  6. Step 6: Final answer
    x = 25,471,716.45

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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.