Home / 309,569,846.16-427,193,578.82-168,441,647.22

Finding the Fourth Proportional to 309,569,846.16, 427,193,578.82 and 168,441,647.22

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Solution

The fourth proportional to 309,569,846.16, 427,193,578.82 and 168,441,647.22 is: 232,442,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,569,846.16 : 427,193,578.82 = 168,441,647.22 : x
  2. Step 2: Convert to fraction form
    309,569,846.16/427,193,578.82 = 168,441,647.22/x
  3. Step 3: Cross multiply
    309,569,846.16x = 427,193,578.82 × 168,441,647.22
  4. Step 4: Simplify right side
    309,569,846.16x = 71,957,190,097,405,496
  5. Step 5: Solve for x
    x = 71,957,190,097,405,496/309,569,846.16
  6. Step 6: Final answer
    x = 232,442,503.65

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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.