Home / 279,451,817.37-385,645,025.61-160,364,927.52

Finding the Fourth Proportional to 279,451,817.37, 385,645,025.61 and 160,364,927.52

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Solution

The fourth proportional to 279,451,817.37, 385,645,025.61 and 160,364,927.52 is: 221,304,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,451,817.37 : 385,645,025.61 = 160,364,927.52 : x
  2. Step 2: Convert to fraction form
    279,451,817.37/385,645,025.61 = 160,364,927.52/x
  3. Step 3: Cross multiply
    279,451,817.37x = 385,645,025.61 × 160,364,927.52
  4. Step 4: Simplify right side
    279,451,817.37x = 61,843,936,580,396,200
  5. Step 5: Solve for x
    x = 61,843,936,580,396,200/279,451,817.37
  6. Step 6: Final answer
    x = 221,304,470.88

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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.