Home / 161,771,029.20-242,656,543.80-135,942,996.60

Finding the Fourth Proportional to 161,771,029.20, 242,656,543.80 and 135,942,996.60

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Solution

The fourth proportional to 161,771,029.20, 242,656,543.80 and 135,942,996.60 is: 203,914,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,771,029.20 : 242,656,543.80 = 135,942,996.60 : x
  2. Step 2: Convert to fraction form
    161,771,029.20/242,656,543.80 = 135,942,996.60/x
  3. Step 3: Cross multiply
    161,771,029.20x = 242,656,543.80 × 135,942,996.60
  4. Step 4: Simplify right side
    161,771,029.20x = 32,987,457,708,771,152
  5. Step 5: Solve for x
    x = 32,987,457,708,771,152/161,771,029.20
  6. Step 6: Final answer
    x = 203,914,494.90

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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.