Home / 68,056,943.20-101,992,102.80-43,721,173.60

Finding the Fourth Proportional to 68,056,943.20, 101,992,102.80 and 43,721,173.60

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Solution

The fourth proportional to 68,056,943.20, 101,992,102.80 and 43,721,173.60 is: 65,521,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,056,943.20 : 101,992,102.80 = 43,721,173.60 : x
  2. Step 2: Convert to fraction form
    68,056,943.20/101,992,102.80 = 43,721,173.60/x
  3. Step 3: Cross multiply
    68,056,943.20x = 101,992,102.80 × 43,721,173.60
  4. Step 4: Simplify right side
    68,056,943.20x = 4,459,214,432,347,846
  5. Step 5: Solve for x
    x = 4,459,214,432,347,846/68,056,943.20
  6. Step 6: Final answer
    x = 65,521,814.86

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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.