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Finding the Fourth Proportional to 222,496,378.80, 333,886,285.80 and 130,379,938.80

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Solution

The fourth proportional to 222,496,378.80, 333,886,285.80 and 130,379,938.80 is: 195,652,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,496,378.80 : 333,886,285.80 = 130,379,938.80 : x
  2. Step 2: Convert to fraction form
    222,496,378.80/333,886,285.80 = 130,379,938.80/x
  3. Step 3: Cross multiply
    222,496,378.80x = 333,886,285.80 × 130,379,938.80
  4. Step 4: Simplify right side
    222,496,378.80x = 43,532,073,508,763,312
  5. Step 5: Solve for x
    x = 43,532,073,508,763,312/222,496,378.80
  6. Step 6: Final answer
    x = 195,652,952.84

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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.