Home / 281,234,575.67-388,103,579.43-168,204,065.54

Finding the Fourth Proportional to 281,234,575.67, 388,103,579.43 and 168,204,065.54

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Solution

The fourth proportional to 281,234,575.67, 388,103,579.43 and 168,204,065.54 is: 232,121,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,234,575.67 : 388,103,579.43 = 168,204,065.54 : x
  2. Step 2: Convert to fraction form
    281,234,575.67/388,103,579.43 = 168,204,065.54/x
  3. Step 3: Cross multiply
    281,234,575.67x = 388,103,579.43 × 168,204,065.54
  4. Step 4: Simplify right side
    281,234,575.67x = 65,280,599,907,970,776
  5. Step 5: Solve for x
    x = 65,280,599,907,970,776/281,234,575.67
  6. Step 6: Final answer
    x = 232,121,529.70

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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.