Home / 345,222,280.69-518,037,723.74-127,025,850.65

Finding the Fourth Proportional to 345,222,280.69, 518,037,723.74 and 127,025,850.65

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Solution

The fourth proportional to 345,222,280.69, 518,037,723.74 and 127,025,850.65 is: 190,613,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,280.69 : 518,037,723.74 = 127,025,850.65 : x
  2. Step 2: Convert to fraction form
    345,222,280.69/518,037,723.74 = 127,025,850.65/x
  3. Step 3: Cross multiply
    345,222,280.69x = 518,037,723.74 × 127,025,850.65
  4. Step 4: Simplify right side
    345,222,280.69x = 65,804,182,524,590,576
  5. Step 5: Solve for x
    x = 65,804,182,524,590,576/345,222,280.69
  6. Step 6: Final answer
    x = 190,613,949.93

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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.