Home / 299,123,081.64-412,858,728-175,403,616.84

Finding the Fourth Proportional to 299,123,081.64, 412,858,728 and 175,403,616.84

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Solution

The fourth proportional to 299,123,081.64, 412,858,728 and 175,403,616.84 is: 242,097,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,123,081.64 : 412,858,728 = 175,403,616.84 : x
  2. Step 2: Convert to fraction form
    299,123,081.64/412,858,728 = 175,403,616.84/x
  3. Step 3: Cross multiply
    299,123,081.64x = 412,858,728 × 175,403,616.84
  4. Step 4: Simplify right side
    299,123,081.64x = 72,416,914,135,161,776
  5. Step 5: Solve for x
    x = 72,416,914,135,161,776/299,123,081.64
  6. Step 6: Final answer
    x = 242,097,379.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.