Home / 356,651,635.20-492,182,821.65-200,015,379.20

Finding the Fourth Proportional to 356,651,635.20, 492,182,821.65 and 200,015,379.20

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Solution

The fourth proportional to 356,651,635.20, 492,182,821.65 and 200,015,379.20 is: 276,023,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,651,635.20 : 492,182,821.65 = 200,015,379.20 : x
  2. Step 2: Convert to fraction form
    356,651,635.20/492,182,821.65 = 200,015,379.20/x
  3. Step 3: Cross multiply
    356,651,635.20x = 492,182,821.65 × 200,015,379.20
  4. Step 4: Simplify right side
    356,651,635.20x = 98,444,133,705,589,792
  5. Step 5: Solve for x
    x = 98,444,133,705,589,792/356,651,635.20
  6. Step 6: Final answer
    x = 276,023,222.63

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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.