Home / 198,427,335.04-297,621,757.32-60,254,137.76

Finding the Fourth Proportional to 198,427,335.04, 297,621,757.32 and 60,254,137.76

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Solution

The fourth proportional to 198,427,335.04, 297,621,757.32 and 60,254,137.76 is: 90,375,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427,335.04 : 297,621,757.32 = 60,254,137.76 : x
  2. Step 2: Convert to fraction form
    198,427,335.04/297,621,757.32 = 60,254,137.76/x
  3. Step 3: Cross multiply
    198,427,335.04x = 297,621,757.32 × 60,254,137.76
  4. Step 4: Simplify right side
    198,427,335.04x = 17,932,942,365,932,568
  5. Step 5: Solve for x
    x = 17,932,942,365,932,568/198,427,335.04
  6. Step 6: Final answer
    x = 90,375,362.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.