Home / 268,641,036.55-402,289,708.43-214,893,324.55

Finding the Fourth Proportional to 268,641,036.55, 402,289,708.43 and 214,893,324.55

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Solution

The fourth proportional to 268,641,036.55, 402,289,708.43 and 214,893,324.55 is: 321,802,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,641,036.55 : 402,289,708.43 = 214,893,324.55 : x
  2. Step 2: Convert to fraction form
    268,641,036.55/402,289,708.43 = 214,893,324.55/x
  3. Step 3: Cross multiply
    268,641,036.55x = 402,289,708.43 × 214,893,324.55
  4. Step 4: Simplify right side
    268,641,036.55x = 86,449,372,875,698,400
  5. Step 5: Solve for x
    x = 86,449,372,875,698,400/268,641,036.55
  6. Step 6: Final answer
    x = 321,802,558.48

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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.