Home / 305,440,382.72-458,161,507.20-75,409,491.98

Finding the Fourth Proportional to 305,440,382.72, 458,161,507.20 and 75,409,491.98

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Solution

The fourth proportional to 305,440,382.72, 458,161,507.20 and 75,409,491.98 is: 113,114,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,440,382.72 : 458,161,507.20 = 75,409,491.98 : x
  2. Step 2: Convert to fraction form
    305,440,382.72/458,161,507.20 = 75,409,491.98/x
  3. Step 3: Cross multiply
    305,440,382.72x = 458,161,507.20 × 75,409,491.98
  4. Step 4: Simplify right side
    305,440,382.72x = 34,549,726,504,171,304
  5. Step 5: Solve for x
    x = 34,549,726,504,171,304/305,440,382.72
  6. Step 6: Final answer
    x = 113,114,468.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.