Home / 81,329,622.75-112,235,012.34-44,159,974.91

Finding the Fourth Proportional to 81,329,622.75, 112,235,012.34 and 44,159,974.91

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Solution

The fourth proportional to 81,329,622.75, 112,235,012.34 and 44,159,974.91 is: 60,940,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,329,622.75 : 112,235,012.34 = 44,159,974.91 : x
  2. Step 2: Convert to fraction form
    81,329,622.75/112,235,012.34 = 44,159,974.91/x
  3. Step 3: Cross multiply
    81,329,622.75x = 112,235,012.34 × 44,159,974.91
  4. Step 4: Simplify right side
    81,329,622.75x = 4,956,295,328,652,047
  5. Step 5: Solve for x
    x = 4,956,295,328,652,047/81,329,622.75
  6. Step 6: Final answer
    x = 60,940,837.56

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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.