Home / 345,862,215.05-477,289,297.54-189,229,953.29

Finding the Fourth Proportional to 345,862,215.05, 477,289,297.54 and 189,229,953.29

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Solution

The fourth proportional to 345,862,215.05, 477,289,297.54 and 189,229,953.29 is: 261,137,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,862,215.05 : 477,289,297.54 = 189,229,953.29 : x
  2. Step 2: Convert to fraction form
    345,862,215.05/477,289,297.54 = 189,229,953.29/x
  3. Step 3: Cross multiply
    345,862,215.05x = 477,289,297.54 × 189,229,953.29
  4. Step 4: Simplify right side
    345,862,215.05x = 90,317,431,479,311,104
  5. Step 5: Solve for x
    x = 90,317,431,479,311,104/345,862,215.05
  6. Step 6: Final answer
    x = 261,137,029.57

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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.