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Finding the Fourth Proportional to 226,716,808.40, 340,102,817.40 and 81,165,640.40

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Solution

The fourth proportional to 226,716,808.40, 340,102,817.40 and 81,165,640.40 is: 121,758,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,716,808.40 : 340,102,817.40 = 81,165,640.40 : x
  2. Step 2: Convert to fraction form
    226,716,808.40/340,102,817.40 = 81,165,640.40/x
  3. Step 3: Cross multiply
    226,716,808.40x = 340,102,817.40 × 81,165,640.40
  4. Step 4: Simplify right side
    226,716,808.40x = 27,604,662,976,115,264
  5. Step 5: Solve for x
    x = 27,604,662,976,115,264/226,716,808.40
  6. Step 6: Final answer
    x = 121,758,343.24

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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.