Home / 40,112,321.82-55,406,929.20-33,171,037.14

Finding the Fourth Proportional to 40,112,321.82, 55,406,929.20 and 33,171,037.14

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Solution

The fourth proportional to 40,112,321.82, 55,406,929.20 and 33,171,037.14 is: 45,818,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112,321.82 : 55,406,929.20 = 33,171,037.14 : x
  2. Step 2: Convert to fraction form
    40,112,321.82/55,406,929.20 = 33,171,037.14/x
  3. Step 3: Cross multiply
    40,112,321.82x = 55,406,929.20 × 33,171,037.14
  4. Step 4: Simplify right side
    40,112,321.82x = 1,837,905,306,306,550.50
  5. Step 5: Solve for x
    x = 1,837,905,306,306,550.50/40,112,321.82
  6. Step 6: Final answer
    x = 45,818,970.90

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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.