Home / 198,718,311.17-298,121,923.73-60,554,731.51

Finding the Fourth Proportional to 198,718,311.17, 298,121,923.73 and 60,554,731.51

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Solution

The fourth proportional to 198,718,311.17, 298,121,923.73 and 60,554,731.51 is: 90,845,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,718,311.17 : 298,121,923.73 = 60,554,731.51 : x
  2. Step 2: Convert to fraction form
    198,718,311.17/298,121,923.73 = 60,554,731.51/x
  3. Step 3: Cross multiply
    198,718,311.17x = 298,121,923.73 × 60,554,731.51
  4. Step 4: Simplify right side
    198,718,311.17x = 18,052,693,048,898,568
  5. Step 5: Solve for x
    x = 18,052,693,048,898,568/198,718,311.17
  6. Step 6: Final answer
    x = 90,845,644.48

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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.