Home / 268,649,991.30-402,303,140.55-214,902,279.30

Finding the Fourth Proportional to 268,649,991.30, 402,303,140.55 and 214,902,279.30

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Solution

The fourth proportional to 268,649,991.30, 402,303,140.55 and 214,902,279.30 is: 321,815,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,649,991.30 : 402,303,140.55 = 214,902,279.30 : x
  2. Step 2: Convert to fraction form
    268,649,991.30/402,303,140.55 = 214,902,279.30/x
  3. Step 3: Cross multiply
    268,649,991.30x = 402,303,140.55 × 214,902,279.30
  4. Step 4: Simplify right side
    268,649,991.30x = 86,455,861,873,743,264
  5. Step 5: Solve for x
    x = 86,455,861,873,743,264/268,649,991.30
  6. Step 6: Final answer
    x = 321,815,986.13

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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.