Home / 309,569,843.17-427,193,574.67-168,441,644.22

Finding the Fourth Proportional to 309,569,843.17, 427,193,574.67 and 168,441,644.22

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Solution

The fourth proportional to 309,569,843.17, 427,193,574.67 and 168,441,644.22 is: 232,442,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,569,843.17 : 427,193,574.67 = 168,441,644.22 : x
  2. Step 2: Convert to fraction form
    309,569,843.17/427,193,574.67 = 168,441,644.22/x
  3. Step 3: Cross multiply
    309,569,843.17x = 427,193,574.67 × 168,441,644.22
  4. Step 4: Simplify right side
    309,569,843.17x = 71,957,188,119,122,824
  5. Step 5: Solve for x
    x = 71,957,188,119,122,824/309,569,843.17
  6. Step 6: Final answer
    x = 232,442,499.51

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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.