Home / 84,800,845.56-117,026,217.90-47,639,243.10

Finding the Fourth Proportional to 84,800,845.56, 117,026,217.90 and 47,639,243.10

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Solution

The fourth proportional to 84,800,845.56, 117,026,217.90 and 47,639,243.10 is: 65,742,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800,845.56 : 117,026,217.90 = 47,639,243.10 : x
  2. Step 2: Convert to fraction form
    84,800,845.56/117,026,217.90 = 47,639,243.10/x
  3. Step 3: Cross multiply
    84,800,845.56x = 117,026,217.90 × 47,639,243.10
  4. Step 4: Simplify right side
    84,800,845.56x = 5,575,040,443,611,672
  5. Step 5: Solve for x
    x = 5,575,040,443,611,672/84,800,845.56
  6. Step 6: Final answer
    x = 65,742,745.92

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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.