Home / 187,546,915.16-281,170,136.78-89,129,225.16

Finding the Fourth Proportional to 187,546,915.16, 281,170,136.78 and 89,129,225.16

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Solution

The fourth proportional to 187,546,915.16, 281,170,136.78 and 89,129,225.16 is: 133,622,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,546,915.16 : 281,170,136.78 = 89,129,225.16 : x
  2. Step 2: Convert to fraction form
    187,546,915.16/281,170,136.78 = 89,129,225.16/x
  3. Step 3: Cross multiply
    187,546,915.16x = 281,170,136.78 × 89,129,225.16
  4. Step 4: Simplify right side
    187,546,915.16x = 25,060,476,429,332,612
  5. Step 5: Solve for x
    x = 25,060,476,429,332,612/187,546,915.16
  6. Step 6: Final answer
    x = 133,622,440.06

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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.