Home / 222,484,513.80-307,029,290.40-123,372,243.52

Finding the Fourth Proportional to 222,484,513.80, 307,029,290.40 and 123,372,243.52

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Solution

The fourth proportional to 222,484,513.80, 307,029,290.40 and 123,372,243.52 is: 170,254,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,484,513.80 : 307,029,290.40 = 123,372,243.52 : x
  2. Step 2: Convert to fraction form
    222,484,513.80/307,029,290.40 = 123,372,243.52/x
  3. Step 3: Cross multiply
    222,484,513.80x = 307,029,290.40 × 123,372,243.52
  4. Step 4: Simplify right side
    222,484,513.80x = 37,878,892,383,001,592
  5. Step 5: Solve for x
    x = 37,878,892,383,001,592/222,484,513.80
  6. Step 6: Final answer
    x = 170,254,062.79

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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.