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Finding the Fourth Proportional to 224,503,857.90, 336,503,844.45 and 127,506,033.90

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Solution

The fourth proportional to 224,503,857.90, 336,503,844.45 and 127,506,033.90 is: 191,115,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,503,857.90 : 336,503,844.45 = 127,506,033.90 : x
  2. Step 2: Convert to fraction form
    224,503,857.90/336,503,844.45 = 127,506,033.90/x
  3. Step 3: Cross multiply
    224,503,857.90x = 336,503,844.45 × 127,506,033.90
  4. Step 4: Simplify right side
    224,503,857.90x = 42,906,270,597,922,024
  5. Step 5: Solve for x
    x = 42,906,270,597,922,024/224,503,857.90
  6. Step 6: Final answer
    x = 191,115,961.21

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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.