Home / 55,021,812.72-75,930,267.20-30,244,538.85

Finding the Fourth Proportional to 55,021,812.72, 75,930,267.20 and 30,244,538.85

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Solution

The fourth proportional to 55,021,812.72, 75,930,267.20 and 30,244,538.85 is: 41,737,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021,812.72 : 75,930,267.20 = 30,244,538.85 : x
  2. Step 2: Convert to fraction form
    55,021,812.72/75,930,267.20 = 30,244,538.85/x
  3. Step 3: Cross multiply
    55,021,812.72x = 75,930,267.20 × 30,244,538.85
  4. Step 4: Simplify right side
    55,021,812.72x = 2,296,475,916,070,058
  5. Step 5: Solve for x
    x = 2,296,475,916,070,058/55,021,812.72
  6. Step 6: Final answer
    x = 41,737,554.66

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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.