Home / 194,511,362.53-268,424,877.72-105,203,406.42

Finding the Fourth Proportional to 194,511,362.53, 268,424,877.72 and 105,203,406.42

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Solution

The fourth proportional to 194,511,362.53, 268,424,877.72 and 105,203,406.42 is: 145,180,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511,362.53 : 268,424,877.72 = 105,203,406.42 : x
  2. Step 2: Convert to fraction form
    194,511,362.53/268,424,877.72 = 105,203,406.42/x
  3. Step 3: Cross multiply
    194,511,362.53x = 268,424,877.72 × 105,203,406.42
  4. Step 4: Simplify right side
    194,511,362.53x = 28,239,211,504,015,964
  5. Step 5: Solve for x
    x = 28,239,211,504,015,964/194,511,362.53
  6. Step 6: Final answer
    x = 145,180,266.78

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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.