Home / 150,151,421.70-225,227,132.55-120,926,103.30

Finding the Fourth Proportional to 150,151,421.70, 225,227,132.55 and 120,926,103.30

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Solution

The fourth proportional to 150,151,421.70, 225,227,132.55 and 120,926,103.30 is: 181,389,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151,421.70 : 225,227,132.55 = 120,926,103.30 : x
  2. Step 2: Convert to fraction form
    150,151,421.70/225,227,132.55 = 120,926,103.30/x
  3. Step 3: Cross multiply
    150,151,421.70x = 225,227,132.55 × 120,926,103.30
  4. Step 4: Simplify right side
    150,151,421.70x = 27,235,839,496,704,092
  5. Step 5: Solve for x
    x = 27,235,839,496,704,092/150,151,421.70
  6. Step 6: Final answer
    x = 181,389,154.95

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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.