Home / 171,291,940.72-256,947,816.67-48,459,968.62

Finding the Fourth Proportional to 171,291,940.72, 256,947,816.67 and 48,459,968.62

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Solution

The fourth proportional to 171,291,940.72, 256,947,816.67 and 48,459,968.62 is: 72,692,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,291,940.72 : 256,947,816.67 = 48,459,968.62 : x
  2. Step 2: Convert to fraction form
    171,291,940.72/256,947,816.67 = 48,459,968.62/x
  3. Step 3: Cross multiply
    171,291,940.72x = 256,947,816.67 × 48,459,968.62
  4. Step 4: Simplify right side
    171,291,940.72x = 12,451,683,132,042,192
  5. Step 5: Solve for x
    x = 12,451,683,132,042,192/171,291,940.72
  6. Step 6: Final answer
    x = 72,692,755.30

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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.