Home / 279,780,657.30-419,670,985.95-88,304,433.30

Finding the Fourth Proportional to 279,780,657.30, 419,670,985.95 and 88,304,433.30

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Solution

The fourth proportional to 279,780,657.30, 419,670,985.95 and 88,304,433.30 is: 132,456,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,780,657.30 : 419,670,985.95 = 88,304,433.30 : x
  2. Step 2: Convert to fraction form
    279,780,657.30/419,670,985.95 = 88,304,433.30/x
  3. Step 3: Cross multiply
    279,780,657.30x = 419,670,985.95 × 88,304,433.30
  4. Step 4: Simplify right side
    279,780,657.30x = 37,058,808,586,767,008
  5. Step 5: Solve for x
    x = 37,058,808,586,767,008/279,780,657.30
  6. Step 6: Final answer
    x = 132,456,649.95

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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.