Home / 159,231,862.80-238,858,641.72-54,144,413.28

Finding the Fourth Proportional to 159,231,862.80, 238,858,641.72 and 54,144,413.28

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Solution

The fourth proportional to 159,231,862.80, 238,858,641.72 and 54,144,413.28 is: 81,220,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,231,862.80 : 238,858,641.72 = 54,144,413.28 : x
  2. Step 2: Convert to fraction form
    159,231,862.80/238,858,641.72 = 54,144,413.28/x
  3. Step 3: Cross multiply
    159,231,862.80x = 238,858,641.72 × 54,144,413.28
  4. Step 4: Simplify right side
    159,231,862.80x = 12,932,861,012,787,130
  5. Step 5: Solve for x
    x = 12,932,861,012,787,130/159,231,862.80
  6. Step 6: Final answer
    x = 81,220,308.46

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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.