Home / 150,151,639.20-225,227,458.80-120,926,320.80

Finding the Fourth Proportional to 150,151,639.20, 225,227,458.80 and 120,926,320.80

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Solution

The fourth proportional to 150,151,639.20, 225,227,458.80 and 120,926,320.80 is: 181,389,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151,639.20 : 225,227,458.80 = 120,926,320.80 : x
  2. Step 2: Convert to fraction form
    150,151,639.20/225,227,458.80 = 120,926,320.80/x
  3. Step 3: Cross multiply
    150,151,639.20x = 225,227,458.80 × 120,926,320.80
  4. Step 4: Simplify right side
    150,151,639.20x = 27,235,927,935,817,584
  5. Step 5: Solve for x
    x = 27,235,927,935,817,584/150,151,639.20
  6. Step 6: Final answer
    x = 181,389,481.20

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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.