Home / 345,222,310.48-518,037,768.36-127,025,880.40

Finding the Fourth Proportional to 345,222,310.48, 518,037,768.36 and 127,025,880.40

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Solution

The fourth proportional to 345,222,310.48, 518,037,768.36 and 127,025,880.40 is: 190,613,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,310.48 : 518,037,768.36 = 127,025,880.40 : x
  2. Step 2: Convert to fraction form
    345,222,310.48/518,037,768.36 = 127,025,880.40/x
  3. Step 3: Cross multiply
    345,222,310.48x = 518,037,768.36 × 127,025,880.40
  4. Step 4: Simplify right side
    345,222,310.48x = 65,804,203,606,380,272
  5. Step 5: Solve for x
    x = 65,804,203,606,380,272/345,222,310.48
  6. Step 6: Final answer
    x = 190,613,994.54

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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.