Home / 345,222,311.82-518,037,770.49-127,025,881.74

Finding the Fourth Proportional to 345,222,311.82, 518,037,770.49 and 127,025,881.74

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Solution

The fourth proportional to 345,222,311.82, 518,037,770.49 and 127,025,881.74 is: 190,613,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,311.82 : 518,037,770.49 = 127,025,881.74 : x
  2. Step 2: Convert to fraction form
    345,222,311.82/518,037,770.49 = 127,025,881.74/x
  3. Step 3: Cross multiply
    345,222,311.82x = 518,037,770.49 × 127,025,881.74
  4. Step 4: Simplify right side
    345,222,311.82x = 65,804,204,571,116,000
  5. Step 5: Solve for x
    x = 65,804,204,571,116,000/345,222,311.82
  6. Step 6: Final answer
    x = 190,613,996.60

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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.