Home / 187,303,608.50-281,052,287.53-135,911,915.15

Finding the Fourth Proportional to 187,303,608.50, 281,052,287.53 and 135,911,915.15

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Solution

The fourth proportional to 187,303,608.50, 281,052,287.53 and 135,911,915.15 is: 203,938,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,303,608.50 : 281,052,287.53 = 135,911,915.15 : x
  2. Step 2: Convert to fraction form
    187,303,608.50/281,052,287.53 = 135,911,915.15/x
  3. Step 3: Cross multiply
    187,303,608.50x = 281,052,287.53 × 135,911,915.15
  4. Step 4: Simplify right side
    187,303,608.50x = 38,198,354,653,745,720
  5. Step 5: Solve for x
    x = 38,198,354,653,745,720/187,303,608.50
  6. Step 6: Final answer
    x = 203,938,167.35

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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.