Home / 253,662,735.42-350,056,369.35-137,769,231.42

Finding the Fourth Proportional to 253,662,735.42, 350,056,369.35 and 137,769,231.42

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Solution

The fourth proportional to 253,662,735.42, 350,056,369.35 and 137,769,231.42 is: 190,122,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,662,735.42 : 350,056,369.35 = 137,769,231.42 : x
  2. Step 2: Convert to fraction form
    253,662,735.42/350,056,369.35 = 137,769,231.42/x
  3. Step 3: Cross multiply
    253,662,735.42x = 350,056,369.35 × 137,769,231.42
  4. Step 4: Simplify right side
    253,662,735.42x = 48,226,996,959,025,144
  5. Step 5: Solve for x
    x = 48,226,996,959,025,144/253,662,735.42
  6. Step 6: Final answer
    x = 190,122,513.97

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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.