Home / 69,149,986.77-95,432,421.54-39,381,893.60

Finding the Fourth Proportional to 69,149,986.77, 95,432,421.54 and 39,381,893.60

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Solution

The fourth proportional to 69,149,986.77, 95,432,421.54 and 39,381,893.60 is: 54,350,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,149,986.77 : 95,432,421.54 = 39,381,893.60 : x
  2. Step 2: Convert to fraction form
    69,149,986.77/95,432,421.54 = 39,381,893.60/x
  3. Step 3: Cross multiply
    69,149,986.77x = 95,432,421.54 × 39,381,893.60
  4. Step 4: Simplify right side
    69,149,986.77x = 3,758,309,471,078,628.50
  5. Step 5: Solve for x
    x = 3,758,309,471,078,628.50/69,149,986.77
  6. Step 6: Final answer
    x = 54,350,111.21

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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.