Home / 180,856,905.90-271,285,358.85-172,542,806.70

Finding the Fourth Proportional to 180,856,905.90, 271,285,358.85 and 172,542,806.70

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Solution

The fourth proportional to 180,856,905.90, 271,285,358.85 and 172,542,806.70 is: 258,814,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856,905.90 : 271,285,358.85 = 172,542,806.70 : x
  2. Step 2: Convert to fraction form
    180,856,905.90/271,285,358.85 = 172,542,806.70/x
  3. Step 3: Cross multiply
    180,856,905.90x = 271,285,358.85 × 172,542,806.70
  4. Step 4: Simplify right side
    180,856,905.90x = 46,808,337,232,595,688
  5. Step 5: Solve for x
    x = 46,808,337,232,595,688/180,856,905.90
  6. Step 6: Final answer
    x = 258,814,210.05

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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.