Home / 268,649,981.30-402,303,125.55-214,902,269.30

Finding the Fourth Proportional to 268,649,981.30, 402,303,125.55 and 214,902,269.30

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Solution

The fourth proportional to 268,649,981.30, 402,303,125.55 and 214,902,269.30 is: 321,815,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,649,981.30 : 402,303,125.55 = 214,902,269.30 : x
  2. Step 2: Convert to fraction form
    268,649,981.30/402,303,125.55 = 214,902,269.30/x
  3. Step 3: Cross multiply
    268,649,981.30x = 402,303,125.55 × 214,902,269.30
  4. Step 4: Simplify right side
    268,649,981.30x = 86,455,854,627,177,824
  5. Step 5: Solve for x
    x = 86,455,854,627,177,824/268,649,981.30
  6. Step 6: Final answer
    x = 321,815,971.13

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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.