Home / 215,519,345-323,281,819.02-71,912,177

Finding the Fourth Proportional to 215,519,345, 323,281,819.02 and 71,912,177

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Solution

The fourth proportional to 215,519,345, 323,281,819.02 and 71,912,177 is: 107,869,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,519,345 : 323,281,819.02 = 71,912,177 : x
  2. Step 2: Convert to fraction form
    215,519,345/323,281,819.02 = 71,912,177/x
  3. Step 3: Cross multiply
    215,519,345x = 323,281,819.02 × 71,912,177
  4. Step 4: Simplify right side
    215,519,345x = 23,247,899,390,248,204
  5. Step 5: Solve for x
    x = 23,247,899,390,248,204/215,519,345
  6. Step 6: Final answer
    x = 107,869,200.28

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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.