Home / 303,429,786.12-418,733,105.31-164,200,547.85

Finding the Fourth Proportional to 303,429,786.12, 418,733,105.31 and 164,200,547.85

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Solution

The fourth proportional to 303,429,786.12, 418,733,105.31 and 164,200,547.85 is: 226,596,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,429,786.12 : 418,733,105.31 = 164,200,547.85 : x
  2. Step 2: Convert to fraction form
    303,429,786.12/418,733,105.31 = 164,200,547.85/x
  3. Step 3: Cross multiply
    303,429,786.12x = 418,733,105.31 × 164,200,547.85
  4. Step 4: Simplify right side
    303,429,786.12x = 68,756,205,294,833,744
  5. Step 5: Solve for x
    x = 68,756,205,294,833,744/303,429,786.12
  6. Step 6: Final answer
    x = 226,596,756.28

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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.