Home / 82,065,433.20-113,240,431.32-47,269,440.24

Finding the Fourth Proportional to 82,065,433.20, 113,240,431.32 and 47,269,440.24

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Solution

The fourth proportional to 82,065,433.20, 113,240,431.32 and 47,269,440.24 is: 65,226,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,065,433.20 : 113,240,431.32 = 47,269,440.24 : x
  2. Step 2: Convert to fraction form
    82,065,433.20/113,240,431.32 = 47,269,440.24/x
  3. Step 3: Cross multiply
    82,065,433.20x = 113,240,431.32 × 47,269,440.24
  4. Step 4: Simplify right side
    82,065,433.20x = 5,352,811,801,032,564
  5. Step 5: Solve for x
    x = 5,352,811,801,032,564/82,065,433.20
  6. Step 6: Final answer
    x = 65,226,144.46

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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.