Home / 150,151,966.20-225,227,949.30-120,926,647.80

Finding the Fourth Proportional to 150,151,966.20, 225,227,949.30 and 120,926,647.80

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Solution

The fourth proportional to 150,151,966.20, 225,227,949.30 and 120,926,647.80 is: 181,389,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151,966.20 : 225,227,949.30 = 120,926,647.80 : x
  2. Step 2: Convert to fraction form
    150,151,966.20/225,227,949.30 = 120,926,647.80/x
  3. Step 3: Cross multiply
    150,151,966.20x = 225,227,949.30 × 120,926,647.80
  4. Step 4: Simplify right side
    150,151,966.20x = 27,236,060,899,717,356
  5. Step 5: Solve for x
    x = 27,236,060,899,717,356/150,151,966.20
  6. Step 6: Final answer
    x = 181,389,971.70

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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.