Home / 180,856,915.40-271,285,373.10-172,542,816.20

Finding the Fourth Proportional to 180,856,915.40, 271,285,373.10 and 172,542,816.20

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Solution

The fourth proportional to 180,856,915.40, 271,285,373.10 and 172,542,816.20 is: 258,814,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856,915.40 : 271,285,373.10 = 172,542,816.20 : x
  2. Step 2: Convert to fraction form
    180,856,915.40/271,285,373.10 = 172,542,816.20/x
  3. Step 3: Cross multiply
    180,856,915.40x = 271,285,373.10 × 172,542,816.20
  4. Step 4: Simplify right side
    180,856,915.40x = 46,808,342,268,541,728
  5. Step 5: Solve for x
    x = 46,808,342,268,541,728/180,856,915.40
  6. Step 6: Final answer
    x = 258,814,224.30

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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.