Home / 57,174,853.20-85,753,985.40-16,781,125.20

Finding the Fourth Proportional to 57,174,853.20, 85,753,985.40 and 16,781,125.20

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Solution

The fourth proportional to 57,174,853.20, 85,753,985.40 and 16,781,125.20 is: 25,169,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174,853.20 : 85,753,985.40 = 16,781,125.20 : x
  2. Step 2: Convert to fraction form
    57,174,853.20/85,753,985.40 = 16,781,125.20/x
  3. Step 3: Cross multiply
    57,174,853.20x = 85,753,985.40 × 16,781,125.20
  4. Step 4: Simplify right side
    57,174,853.20x = 1,439,048,365,396,372
  5. Step 5: Solve for x
    x = 1,439,048,365,396,372/57,174,853.20
  6. Step 6: Final answer
    x = 25,169,253.35

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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.