Home / 122,617,891.80-183,926,837.70-108,816,010.20

Finding the Fourth Proportional to 122,617,891.80, 183,926,837.70 and 108,816,010.20

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Solution

The fourth proportional to 122,617,891.80, 183,926,837.70 and 108,816,010.20 is: 163,224,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,617,891.80 : 183,926,837.70 = 108,816,010.20 : x
  2. Step 2: Convert to fraction form
    122,617,891.80/183,926,837.70 = 108,816,010.20/x
  3. Step 3: Cross multiply
    122,617,891.80x = 183,926,837.70 × 108,816,010.20
  4. Step 4: Simplify right side
    122,617,891.80x = 20,014,184,647,216,944
  5. Step 5: Solve for x
    x = 20,014,184,647,216,944/122,617,891.80
  6. Step 6: Final answer
    x = 163,224,015.30

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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.