Home / 268,673,172.80-403,009,759.20-214,925,460.80

Finding the Fourth Proportional to 268,673,172.80, 403,009,759.20 and 214,925,460.80

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Solution

The fourth proportional to 268,673,172.80, 403,009,759.20 and 214,925,460.80 is: 322,388,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,673,172.80 : 403,009,759.20 = 214,925,460.80 : x
  2. Step 2: Convert to fraction form
    268,673,172.80/403,009,759.20 = 214,925,460.80/x
  3. Step 3: Cross multiply
    268,673,172.80x = 403,009,759.20 × 214,925,460.80
  4. Step 4: Simplify right side
    268,673,172.80x = 86,617,058,202,957,040
  5. Step 5: Solve for x
    x = 86,617,058,202,957,040/268,673,172.80
  6. Step 6: Final answer
    x = 322,388,191.20

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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.