Home / 203,978,427.66-281,482,039.71-111,156,957.18

Finding the Fourth Proportional to 203,978,427.66, 281,482,039.71 and 111,156,957.18

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Solution

The fourth proportional to 203,978,427.66, 281,482,039.71 and 111,156,957.18 is: 153,392,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,978,427.66 : 281,482,039.71 = 111,156,957.18 : x
  2. Step 2: Convert to fraction form
    203,978,427.66/281,482,039.71 = 111,156,957.18/x
  3. Step 3: Cross multiply
    203,978,427.66x = 281,482,039.71 × 111,156,957.18
  4. Step 4: Simplify right side
    203,978,427.66x = 31,288,687,034,983,528
  5. Step 5: Solve for x
    x = 31,288,687,034,983,528/203,978,427.66
  6. Step 6: Final answer
    x = 153,392,137.56

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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.