Home / 256,608,001.80-384,912,002.70-157,972,552.20

Finding the Fourth Proportional to 256,608,001.80, 384,912,002.70 and 157,972,552.20

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Solution

The fourth proportional to 256,608,001.80, 384,912,002.70 and 157,972,552.20 is: 236,958,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,001.80 : 384,912,002.70 = 157,972,552.20 : x
  2. Step 2: Convert to fraction form
    256,608,001.80/384,912,002.70 = 157,972,552.20/x
  3. Step 3: Cross multiply
    256,608,001.80x = 384,912,002.70 × 157,972,552.20
  4. Step 4: Simplify right side
    256,608,001.80x = 60,805,531,438,932,288
  5. Step 5: Solve for x
    x = 60,805,531,438,932,288/256,608,001.80
  6. Step 6: Final answer
    x = 236,958,828.30

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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.