Home / 216,568,149.40-324,871,371.78-61,123,343.32

Finding the Fourth Proportional to 216,568,149.40, 324,871,371.78 and 61,123,343.32

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Solution

The fourth proportional to 216,568,149.40, 324,871,371.78 and 61,123,343.32 is: 91,690,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,568,149.40 : 324,871,371.78 = 61,123,343.32 : x
  2. Step 2: Convert to fraction form
    216,568,149.40/324,871,371.78 = 61,123,343.32/x
  3. Step 3: Cross multiply
    216,568,149.40x = 324,871,371.78 × 61,123,343.32
  4. Step 4: Simplify right side
    216,568,149.40x = 19,857,224,392,148,296
  5. Step 5: Solve for x
    x = 19,857,224,392,148,296/216,568,149.40
  6. Step 6: Final answer
    x = 91,690,419.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.