Home / 279,780,942.30-419,671,413.45-88,304,718.30

Finding the Fourth Proportional to 279,780,942.30, 419,671,413.45 and 88,304,718.30

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Solution

The fourth proportional to 279,780,942.30, 419,671,413.45 and 88,304,718.30 is: 132,457,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,780,942.30 : 419,671,413.45 = 88,304,718.30 : x
  2. Step 2: Convert to fraction form
    279,780,942.30/419,671,413.45 = 88,304,718.30/x
  3. Step 3: Cross multiply
    279,780,942.30x = 419,671,413.45 × 88,304,718.30
  4. Step 4: Simplify right side
    279,780,942.30x = 37,058,965,943,265,080
  5. Step 5: Solve for x
    x = 37,058,965,943,265,080/279,780,942.30
  6. Step 6: Final answer
    x = 132,457,077.45

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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.