Home / 269,821,280.31-372,355,933.89-158,314,018.29

Finding the Fourth Proportional to 269,821,280.31, 372,355,933.89 and 158,314,018.29

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Solution

The fourth proportional to 269,821,280.31, 372,355,933.89 and 158,314,018.29 is: 218,474,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,821,280.31 : 372,355,933.89 = 158,314,018.29 : x
  2. Step 2: Convert to fraction form
    269,821,280.31/372,355,933.89 = 158,314,018.29/x
  3. Step 3: Cross multiply
    269,821,280.31x = 372,355,933.89 × 158,314,018.29
  4. Step 4: Simplify right side
    269,821,280.31x = 58,949,164,128,251,488
  5. Step 5: Solve for x
    x = 58,949,164,128,251,488/269,821,280.31
  6. Step 6: Final answer
    x = 218,474,851.43

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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.