Home / 215,898,176.70-323,847,265.05-211,593,504.60

Finding the Fourth Proportional to 215,898,176.70, 323,847,265.05 and 211,593,504.60

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Solution

The fourth proportional to 215,898,176.70, 323,847,265.05 and 211,593,504.60 is: 317,390,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,176.70 : 323,847,265.05 = 211,593,504.60 : x
  2. Step 2: Convert to fraction form
    215,898,176.70/323,847,265.05 = 211,593,504.60/x
  3. Step 3: Cross multiply
    215,898,176.70x = 323,847,265.05 × 211,593,504.60
  4. Step 4: Simplify right side
    215,898,176.70x = 68,523,977,767,054,592
  5. Step 5: Solve for x
    x = 68,523,977,767,054,592/215,898,176.70
  6. Step 6: Final answer
    x = 317,390,256.90

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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.