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Finding the Fourth Proportional to 227,471,998.80, 341,108,465.40 and 91,112,062.80

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Solution

The fourth proportional to 227,471,998.80, 341,108,465.40 and 91,112,062.80 is: 136,628,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,471,998.80 : 341,108,465.40 = 91,112,062.80 : x
  2. Step 2: Convert to fraction form
    227,471,998.80/341,108,465.40 = 91,112,062.80/x
  3. Step 3: Cross multiply
    227,471,998.80x = 341,108,465.40 × 91,112,062.80
  4. Step 4: Simplify right side
    227,471,998.80x = 31,079,095,921,136,424
  5. Step 5: Solve for x
    x = 31,079,095,921,136,424/227,471,998.80
  6. Step 6: Final answer
    x = 136,628,227.14

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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.