Home / 222,511,407.44-307,065,248.88-123,389,705.12

Finding the Fourth Proportional to 222,511,407.44, 307,065,248.88 and 123,389,705.12

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Solution

The fourth proportional to 222,511,407.44, 307,065,248.88 and 123,389,705.12 is: 170,277,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,511,407.44 : 307,065,248.88 = 123,389,705.12 : x
  2. Step 2: Convert to fraction form
    222,511,407.44/307,065,248.88 = 123,389,705.12/x
  3. Step 3: Cross multiply
    222,511,407.44x = 307,065,248.88 × 123,389,705.12
  4. Step 4: Simplify right side
    222,511,407.44x = 37,888,690,511,902,608
  5. Step 5: Solve for x
    x = 37,888,690,511,902,608/222,511,407.44
  6. Step 6: Final answer
    x = 170,277,519.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.