Home / 308,185,888.52-462,437,766.97-144,440,280.51

Finding the Fourth Proportional to 308,185,888.52, 462,437,766.97 and 144,440,280.51

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Solution

The fourth proportional to 308,185,888.52, 462,437,766.97 and 144,440,280.51 is: 216,734,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,185,888.52 : 462,437,766.97 = 144,440,280.51 : x
  2. Step 2: Convert to fraction form
    308,185,888.52/462,437,766.97 = 144,440,280.51/x
  3. Step 3: Cross multiply
    308,185,888.52x = 462,437,766.97 × 144,440,280.51
  4. Step 4: Simplify right side
    308,185,888.52x = 66,794,640,777,469,560
  5. Step 5: Solve for x
    x = 66,794,640,777,469,560/308,185,888.52
  6. Step 6: Final answer
    x = 216,734,909.89

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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.