Home / 204,306,821.40-281,949,395.22-111,493,311.60

Finding the Fourth Proportional to 204,306,821.40, 281,949,395.22 and 111,493,311.60

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Solution

The fourth proportional to 204,306,821.40, 281,949,395.22 and 111,493,311.60 is: 153,864,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,306,821.40 : 281,949,395.22 = 111,493,311.60 : x
  2. Step 2: Convert to fraction form
    204,306,821.40/281,949,395.22 = 111,493,311.60/x
  3. Step 3: Cross multiply
    204,306,821.40x = 281,949,395.22 × 111,493,311.60
  4. Step 4: Simplify right side
    204,306,821.40x = 31,435,471,776,695,012
  5. Step 5: Solve for x
    x = 31,435,471,776,695,012/204,306,821.40
  6. Step 6: Final answer
    x = 153,864,034.31

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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.