Home / 123,669,589.80-185,504,384.70-120,835,237.80

Finding the Fourth Proportional to 123,669,589.80, 185,504,384.70 and 120,835,237.80

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Solution

The fourth proportional to 123,669,589.80, 185,504,384.70 and 120,835,237.80 is: 181,252,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669,589.80 : 185,504,384.70 = 120,835,237.80 : x
  2. Step 2: Convert to fraction form
    123,669,589.80/185,504,384.70 = 120,835,237.80/x
  3. Step 3: Cross multiply
    123,669,589.80x = 185,504,384.70 × 120,835,237.80
  4. Step 4: Simplify right side
    123,669,589.80x = 22,415,466,438,167,180
  5. Step 5: Solve for x
    x = 22,415,466,438,167,180/123,669,589.80
  6. Step 6: Final answer
    x = 181,252,856.70

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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.