Home / 212,975,326.26-318,622,437.72-161,308,763.46

Finding the Fourth Proportional to 212,975,326.26, 318,622,437.72 and 161,308,763.46

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Solution

The fourth proportional to 212,975,326.26, 318,622,437.72 and 161,308,763.46 is: 241,326,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,975,326.26 : 318,622,437.72 = 161,308,763.46 : x
  2. Step 2: Convert to fraction form
    212,975,326.26/318,622,437.72 = 161,308,763.46/x
  3. Step 3: Cross multiply
    212,975,326.26x = 318,622,437.72 × 161,308,763.46
  4. Step 4: Simplify right side
    212,975,326.26x = 51,396,591,439,224,072
  5. Step 5: Solve for x
    x = 51,396,591,439,224,072/212,975,326.26
  6. Step 6: Final answer
    x = 241,326,506.42

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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.