Home / 65,142,822.30-89,917,247.43-41,937,930.78

Finding the Fourth Proportional to 65,142,822.30, 89,917,247.43 and 41,937,930.78

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Solution

The fourth proportional to 65,142,822.30, 89,917,247.43 and 41,937,930.78 is: 57,887,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,142,822.30 : 89,917,247.43 = 41,937,930.78 : x
  2. Step 2: Convert to fraction form
    65,142,822.30/89,917,247.43 = 41,937,930.78/x
  3. Step 3: Cross multiply
    65,142,822.30x = 89,917,247.43 × 41,937,930.78
  4. Step 4: Simplify right side
    65,142,822.30x = 3,770,943,298,647,473.50
  5. Step 5: Solve for x
    x = 3,770,943,298,647,473.50/65,142,822.30
  6. Step 6: Final answer
    x = 57,887,318.44

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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.