Home / 216,536,145.39-324,674,506.19-68,919,942.33

Finding the Fourth Proportional to 216,536,145.39, 324,674,506.19 and 68,919,942.33

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Solution

The fourth proportional to 216,536,145.39, 324,674,506.19 and 68,919,942.33 is: 103,338,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,536,145.39 : 324,674,506.19 = 68,919,942.33 : x
  2. Step 2: Convert to fraction form
    216,536,145.39/324,674,506.19 = 68,919,942.33/x
  3. Step 3: Cross multiply
    216,536,145.39x = 324,674,506.19 × 68,919,942.33
  4. Step 4: Simplify right side
    216,536,145.39x = 22,376,548,242,291,428
  5. Step 5: Solve for x
    x = 22,376,548,242,291,428/216,536,145.39
  6. Step 6: Final answer
    x = 103,338,628.30

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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.