Home / 135,634,429.80-203,194,926.72-80,136,293.94

Finding the Fourth Proportional to 135,634,429.80, 203,194,926.72 and 80,136,293.94

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Solution

The fourth proportional to 135,634,429.80, 203,194,926.72 and 80,136,293.94 is: 120,052,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,634,429.80 : 203,194,926.72 = 80,136,293.94 : x
  2. Step 2: Convert to fraction form
    135,634,429.80/203,194,926.72 = 80,136,293.94/x
  3. Step 3: Cross multiply
    135,634,429.80x = 203,194,926.72 × 80,136,293.94
  4. Step 4: Simplify right side
    135,634,429.80x = 16,283,288,374,750,680
  5. Step 5: Solve for x
    x = 16,283,288,374,750,680/135,634,429.80
  6. Step 6: Final answer
    x = 120,052,765.35

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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.