Home / 180,856,905.40-271,285,358.10-172,542,806.20

Finding the Fourth Proportional to 180,856,905.40, 271,285,358.10 and 172,542,806.20

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Solution

The fourth proportional to 180,856,905.40, 271,285,358.10 and 172,542,806.20 is: 258,814,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856,905.40 : 271,285,358.10 = 172,542,806.20 : x
  2. Step 2: Convert to fraction form
    180,856,905.40/271,285,358.10 = 172,542,806.20/x
  3. Step 3: Cross multiply
    180,856,905.40x = 271,285,358.10 × 172,542,806.20
  4. Step 4: Simplify right side
    180,856,905.40x = 46,808,336,967,545,904
  5. Step 5: Solve for x
    x = 46,808,336,967,545,904/180,856,905.40
  6. Step 6: Final answer
    x = 258,814,209.30

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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.