Home / 179,018,906.31-247,023,991.58-112,914,435.87

Finding the Fourth Proportional to 179,018,906.31, 247,023,991.58 and 112,914,435.87

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Solution

The fourth proportional to 179,018,906.31, 247,023,991.58 and 112,914,435.87 is: 155,807,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,018,906.31 : 247,023,991.58 = 112,914,435.87 : x
  2. Step 2: Convert to fraction form
    179,018,906.31/247,023,991.58 = 112,914,435.87/x
  3. Step 3: Cross multiply
    179,018,906.31x = 247,023,991.58 × 112,914,435.87
  4. Step 4: Simplify right side
    179,018,906.31x = 27,892,574,655,046,756
  5. Step 5: Solve for x
    x = 27,892,574,655,046,756/179,018,906.31
  6. Step 6: Final answer
    x = 155,807,982.69

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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.