Home / 57,473,325.80-86,233,608.30-21,099,141.80

Finding the Fourth Proportional to 57,473,325.80, 86,233,608.30 and 21,099,141.80

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Solution

The fourth proportional to 57,473,325.80, 86,233,608.30 and 21,099,141.80 is: 31,657,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473,325.80 : 86,233,608.30 = 21,099,141.80 : x
  2. Step 2: Convert to fraction form
    57,473,325.80/86,233,608.30 = 21,099,141.80/x
  3. Step 3: Cross multiply
    57,473,325.80x = 86,233,608.30 × 21,099,141.80
  4. Step 4: Simplify right side
    57,473,325.80x = 1,819,455,129,447,357
  5. Step 5: Solve for x
    x = 1,819,455,129,447,357/57,473,325.80
  6. Step 6: Final answer
    x = 31,657,383.74

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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.