Home / 55,606,530.87-76,737,008.34-30,826,654.88

Finding the Fourth Proportional to 55,606,530.87, 76,737,008.34 and 30,826,654.88

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Solution

The fourth proportional to 55,606,530.87, 76,737,008.34 and 30,826,654.88 is: 42,540,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606,530.87 : 76,737,008.34 = 30,826,654.88 : x
  2. Step 2: Convert to fraction form
    55,606,530.87/76,737,008.34 = 30,826,654.88/x
  3. Step 3: Cross multiply
    55,606,530.87x = 76,737,008.34 × 30,826,654.88
  4. Step 4: Simplify right side
    55,606,530.87x = 2,365,545,272,237,177
  5. Step 5: Solve for x
    x = 2,365,545,272,237,177/55,606,530.87
  6. Step 6: Final answer
    x = 42,540,781.37

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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.