Home / 190,143,474.66-285,321,186.66-102,703,227

Finding the Fourth Proportional to 190,143,474.66, 285,321,186.66 and 102,703,227

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Solution

The fourth proportional to 190,143,474.66, 285,321,186.66 and 102,703,227 is: 154,112,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143,474.66 : 285,321,186.66 = 102,703,227 : x
  2. Step 2: Convert to fraction form
    190,143,474.66/285,321,186.66 = 102,703,227/x
  3. Step 3: Cross multiply
    190,143,474.66x = 285,321,186.66 × 102,703,227
  4. Step 4: Simplify right side
    190,143,474.66x = 29,303,406,601,451,356
  5. Step 5: Solve for x
    x = 29,303,406,601,451,356/190,143,474.66
  6. Step 6: Final answer
    x = 154,112,081.17

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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.