Home / 239,224,367.25-330,129,759.24-129,216,080.25

Finding the Fourth Proportional to 239,224,367.25, 330,129,759.24 and 129,216,080.25

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Solution

The fourth proportional to 239,224,367.25, 330,129,759.24 and 129,216,080.25 is: 178,318,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,224,367.25 : 330,129,759.24 = 129,216,080.25 : x
  2. Step 2: Convert to fraction form
    239,224,367.25/330,129,759.24 = 129,216,080.25/x
  3. Step 3: Cross multiply
    239,224,367.25x = 330,129,759.24 × 129,216,080.25
  4. Step 4: Simplify right side
    239,224,367.25x = 42,658,073,462,869,024
  5. Step 5: Solve for x
    x = 42,658,073,462,869,024/239,224,367.25
  6. Step 6: Final answer
    x = 178,318,262.28

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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.