Home / 71,939,719.14-99,270,814.32-40,576,039.62

Finding the Fourth Proportional to 71,939,719.14, 99,270,814.32 and 40,576,039.62

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Solution

The fourth proportional to 71,939,719.14, 99,270,814.32 and 40,576,039.62 is: 55,991,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,719.14 : 99,270,814.32 = 40,576,039.62 : x
  2. Step 2: Convert to fraction form
    71,939,719.14/99,270,814.32 = 40,576,039.62/x
  3. Step 3: Cross multiply
    71,939,719.14x = 99,270,814.32 × 40,576,039.62
  4. Step 4: Simplify right side
    71,939,719.14x = 4,028,016,494,957,983
  5. Step 5: Solve for x
    x = 4,028,016,494,957,983/71,939,719.14
  6. Step 6: Final answer
    x = 55,991,551.58

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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.