Home / 180,856,868.40-271,285,302.60-172,542,769.20

Finding the Fourth Proportional to 180,856,868.40, 271,285,302.60 and 172,542,769.20

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Solution

The fourth proportional to 180,856,868.40, 271,285,302.60 and 172,542,769.20 is: 258,814,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856,868.40 : 271,285,302.60 = 172,542,769.20 : x
  2. Step 2: Convert to fraction form
    180,856,868.40/271,285,302.60 = 172,542,769.20/x
  3. Step 3: Cross multiply
    180,856,868.40x = 271,285,302.60 × 172,542,769.20
  4. Step 4: Simplify right side
    180,856,868.40x = 46,808,317,353,863,960
  5. Step 5: Solve for x
    x = 46,808,317,353,863,960/180,856,868.40
  6. Step 6: Final answer
    x = 258,814,153.80

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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.