Home / 279,451,802.10-385,645,004.52-160,364,912.24

Finding the Fourth Proportional to 279,451,802.10, 385,645,004.52 and 160,364,912.24

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Solution

The fourth proportional to 279,451,802.10, 385,645,004.52 and 160,364,912.24 is: 221,304,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,451,802.10 : 385,645,004.52 = 160,364,912.24 : x
  2. Step 2: Convert to fraction form
    279,451,802.10/385,645,004.52 = 160,364,912.24/x
  3. Step 3: Cross multiply
    279,451,802.10x = 385,645,004.52 × 160,364,912.24
  4. Step 4: Simplify right side
    279,451,802.10x = 61,843,927,305,644,200
  5. Step 5: Solve for x
    x = 61,843,927,305,644,200/279,451,802.10
  6. Step 6: Final answer
    x = 221,304,449.79

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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.