Home / 57,933,961.52-79,921,241.52-42,219,294.80

Finding the Fourth Proportional to 57,933,961.52, 79,921,241.52 and 42,219,294.80

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Solution

The fourth proportional to 57,933,961.52, 79,921,241.52 and 42,219,294.80 is: 58,242,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933,961.52 : 79,921,241.52 = 42,219,294.80 : x
  2. Step 2: Convert to fraction form
    57,933,961.52/79,921,241.52 = 42,219,294.80/x
  3. Step 3: Cross multiply
    57,933,961.52x = 79,921,241.52 × 42,219,294.80
  4. Step 4: Simplify right side
    57,933,961.52x = 3,374,218,456,514,879.50
  5. Step 5: Solve for x
    x = 3,374,218,456,514,879.50/57,933,961.52
  6. Step 6: Final answer
    x = 58,242,494.87

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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.