Home / 161,763,715.20-242,645,572.80-135,935,682.60

Finding the Fourth Proportional to 161,763,715.20, 242,645,572.80 and 135,935,682.60

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Solution

The fourth proportional to 161,763,715.20, 242,645,572.80 and 135,935,682.60 is: 203,903,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763,715.20 : 242,645,572.80 = 135,935,682.60 : x
  2. Step 2: Convert to fraction form
    161,763,715.20/242,645,572.80 = 135,935,682.60/x
  3. Step 3: Cross multiply
    161,763,715.20x = 242,645,572.80 × 135,935,682.60
  4. Step 4: Simplify right side
    161,763,715.20x = 32,984,191,568,435,992
  5. Step 5: Solve for x
    x = 32,984,191,568,435,992/161,763,715.20
  6. Step 6: Final answer
    x = 203,903,523.90

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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.