Home / 61,036,692.72-91,536,777-20,088,573.36

Finding the Fourth Proportional to 61,036,692.72, 91,536,777 and 20,088,573.36

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Solution

The fourth proportional to 61,036,692.72, 91,536,777 and 20,088,573.36 is: 30,126,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036,692.72 : 91,536,777 = 20,088,573.36 : x
  2. Step 2: Convert to fraction form
    61,036,692.72/91,536,777 = 20,088,573.36/x
  3. Step 3: Cross multiply
    61,036,692.72x = 91,536,777 × 20,088,573.36
  4. Step 4: Simplify right side
    61,036,692.72x = 1,838,843,259,902,460.75
  5. Step 5: Solve for x
    x = 1,838,843,259,902,460.75/61,036,692.72
  6. Step 6: Final answer
    x = 30,126,849.57

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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.