Home / 122,188,426.80-183,140,922.60-49,357,390.20

Finding the Fourth Proportional to 122,188,426.80, 183,140,922.60 and 49,357,390.20

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Solution

The fourth proportional to 122,188,426.80, 183,140,922.60 and 49,357,390.20 is: 73,978,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,188,426.80 : 183,140,922.60 = 49,357,390.20 : x
  2. Step 2: Convert to fraction form
    122,188,426.80/183,140,922.60 = 49,357,390.20/x
  3. Step 3: Cross multiply
    122,188,426.80x = 183,140,922.60 × 49,357,390.20
  4. Step 4: Simplify right side
    122,188,426.80x = 9,039,357,978,356,198
  5. Step 5: Solve for x
    x = 9,039,357,978,356,198/122,188,426.80
  6. Step 6: Final answer
    x = 73,978,839.20

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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.