Home / 194,844,021.31-268,882,606.53-105,533,743.56

Finding the Fourth Proportional to 194,844,021.31, 268,882,606.53 and 105,533,743.56

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Solution

The fourth proportional to 194,844,021.31, 268,882,606.53 and 105,533,743.56 is: 145,635,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,844,021.31 : 268,882,606.53 = 105,533,743.56 : x
  2. Step 2: Convert to fraction form
    194,844,021.31/268,882,606.53 = 105,533,743.56/x
  3. Step 3: Cross multiply
    194,844,021.31x = 268,882,606.53 × 105,533,743.56
  4. Step 4: Simplify right side
    194,844,021.31x = 28,376,188,045,281,400
  5. Step 5: Solve for x
    x = 28,376,188,045,281,400/194,844,021.31
  6. Step 6: Final answer
    x = 145,635,405.46

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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.