Home / 68,361,406.56-94,336,376.40-39,002,243.76

Finding the Fourth Proportional to 68,361,406.56, 94,336,376.40 and 39,002,243.76

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Solution

The fourth proportional to 68,361,406.56, 94,336,376.40 and 39,002,243.76 is: 53,821,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,361,406.56 : 94,336,376.40 = 39,002,243.76 : x
  2. Step 2: Convert to fraction form
    68,361,406.56/94,336,376.40 = 39,002,243.76/x
  3. Step 3: Cross multiply
    68,361,406.56x = 94,336,376.40 × 39,002,243.76
  4. Step 4: Simplify right side
    68,361,406.56x = 3,679,330,347,787,911.50
  5. Step 5: Solve for x
    x = 3,679,330,347,787,911.50/68,361,406.56
  6. Step 6: Final answer
    x = 53,821,747.28

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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.