Home / 300,680,405.46-451,021,448.97-93,449,118.63

Finding the Fourth Proportional to 300,680,405.46, 451,021,448.97 and 93,449,118.63

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Solution

The fourth proportional to 300,680,405.46, 451,021,448.97 and 93,449,118.63 is: 140,173,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,680,405.46 : 451,021,448.97 = 93,449,118.63 : x
  2. Step 2: Convert to fraction form
    300,680,405.46/451,021,448.97 = 93,449,118.63/x
  3. Step 3: Cross multiply
    300,680,405.46x = 451,021,448.97 × 93,449,118.63
  4. Step 4: Simplify right side
    300,680,405.46x = 42,147,556,889,472,024
  5. Step 5: Solve for x
    x = 42,147,556,889,472,024/300,680,405.46
  6. Step 6: Final answer
    x = 140,173,939.25

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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.