Home / 61,129,131,204.20-91,735,581,198.75-21,334,906,038.09

Finding the Fourth Proportional to 61,129,131,204.20, 91,735,581,198.75 and 21,334,906,038.09

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Solution

The fourth proportional to 61,129,131,204.20, 91,735,581,198.75 and 21,334,906,038.09 is: 32,016,977,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,129,131,204.20 : 91,735,581,198.75 = 21,334,906,038.09 : x
  2. Step 2: Convert to fraction form
    61,129,131,204.20/91,735,581,198.75 = 21,334,906,038.09/x
  3. Step 3: Cross multiply
    61,129,131,204.20x = 91,735,581,198.75 × 21,334,906,038.09
  4. Step 4: Simplify right side
    61,129,131,204.20x = 1,957,170,005,224,341,372,928
  5. Step 5: Solve for x
    x = 1,957,170,005,224,341,372,928/61,129,131,204.20
  6. Step 6: Final answer
    x = 32,016,977,285.13

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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.