Home / 215,608,548.20-323,412,822.30-79,265,719.40

Finding the Fourth Proportional to 215,608,548.20, 323,412,822.30 and 79,265,719.40

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Solution

The fourth proportional to 215,608,548.20, 323,412,822.30 and 79,265,719.40 is: 118,898,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,608,548.20 : 323,412,822.30 = 79,265,719.40 : x
  2. Step 2: Convert to fraction form
    215,608,548.20/323,412,822.30 = 79,265,719.40/x
  3. Step 3: Cross multiply
    215,608,548.20x = 323,412,822.30 × 79,265,719.40
  4. Step 4: Simplify right side
    215,608,548.20x = 25,635,550,022,793,864
  5. Step 5: Solve for x
    x = 25,635,550,022,793,864/215,608,548.20
  6. Step 6: Final answer
    x = 118,898,579.10

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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.