Home / 225,412,205.15-338,160,784.87-85,394,602.24

Finding the Fourth Proportional to 225,412,205.15, 338,160,784.87 and 85,394,602.24

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Solution

The fourth proportional to 225,412,205.15, 338,160,784.87 and 85,394,602.24 is: 128,107,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,412,205.15 : 338,160,784.87 = 85,394,602.24 : x
  2. Step 2: Convert to fraction form
    225,412,205.15/338,160,784.87 = 85,394,602.24/x
  3. Step 3: Cross multiply
    225,412,205.15x = 338,160,784.87 × 85,394,602.24
  4. Step 4: Simplify right side
    225,412,205.15x = 28,877,105,717,139,860
  5. Step 5: Solve for x
    x = 28,877,105,717,139,860/225,412,205.15
  6. Step 6: Final answer
    x = 128,107,995.30

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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.