Home / 270,185,477.82-405,284,851.83-76,095,579.84

Finding the Fourth Proportional to 270,185,477.82, 405,284,851.83 and 76,095,579.84

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Solution

The fourth proportional to 270,185,477.82, 405,284,851.83 and 76,095,579.84 is: 114,145,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,185,477.82 : 405,284,851.83 = 76,095,579.84 : x
  2. Step 2: Convert to fraction form
    270,185,477.82/405,284,851.83 = 76,095,579.84/x
  3. Step 3: Cross multiply
    270,185,477.82x = 405,284,851.83 × 76,095,579.84
  4. Step 4: Simplify right side
    270,185,477.82x = 30,840,385,800,372,336
  5. Step 5: Solve for x
    x = 30,840,385,800,372,336/270,185,477.82
  6. Step 6: Final answer
    x = 114,145,238.48

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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.