Home / 268,641,184.55-402,289,930.43-214,893,472.55

Finding the Fourth Proportional to 268,641,184.55, 402,289,930.43 and 214,893,472.55

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Solution

The fourth proportional to 268,641,184.55, 402,289,930.43 and 214,893,472.55 is: 321,802,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,641,184.55 : 402,289,930.43 = 214,893,472.55 : x
  2. Step 2: Convert to fraction form
    268,641,184.55/402,289,930.43 = 214,893,472.55/x
  3. Step 3: Cross multiply
    268,641,184.55x = 402,289,930.43 × 214,893,472.55
  4. Step 4: Simplify right side
    268,641,184.55x = 86,449,480,120,926,160
  5. Step 5: Solve for x
    x = 86,449,480,120,926,160/268,641,184.55
  6. Step 6: Final answer
    x = 321,802,780.41

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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.