Home / 187,768,549.92-281,489,995.44-72,673,874.40

Finding the Fourth Proportional to 187,768,549.92, 281,489,995.44 and 72,673,874.40

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Solution

The fourth proportional to 187,768,549.92, 281,489,995.44 and 72,673,874.40 is: 108,947,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,768,549.92 : 281,489,995.44 = 72,673,874.40 : x
  2. Step 2: Convert to fraction form
    187,768,549.92/281,489,995.44 = 72,673,874.40/x
  3. Step 3: Cross multiply
    187,768,549.92x = 281,489,995.44 × 72,673,874.40
  4. Step 4: Simplify right side
    187,768,549.92x = 20,456,968,573,463,136
  5. Step 5: Solve for x
    x = 20,456,968,573,463,136/187,768,549.92
  6. Step 6: Final answer
    x = 108,947,790.15

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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.