Home / 270,185,476.32-405,284,849.58-76,095,578.34

Finding the Fourth Proportional to 270,185,476.32, 405,284,849.58 and 76,095,578.34

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Solution

The fourth proportional to 270,185,476.32, 405,284,849.58 and 76,095,578.34 is: 114,145,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,185,476.32 : 405,284,849.58 = 76,095,578.34 : x
  2. Step 2: Convert to fraction form
    270,185,476.32/405,284,849.58 = 76,095,578.34/x
  3. Step 3: Cross multiply
    270,185,476.32x = 405,284,849.58 × 76,095,578.34
  4. Step 4: Simplify right side
    270,185,476.32x = 30,840,385,021,230,008
  5. Step 5: Solve for x
    x = 30,840,385,021,230,008/270,185,476.32
  6. Step 6: Final answer
    x = 114,145,236.23

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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.