Home / 278,821,334.60-418,232,001.90-97,008,086.60

Finding the Fourth Proportional to 278,821,334.60, 418,232,001.90 and 97,008,086.60

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Solution

The fourth proportional to 278,821,334.60, 418,232,001.90 and 97,008,086.60 is: 145,512,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,821,334.60 : 418,232,001.90 = 97,008,086.60 : x
  2. Step 2: Convert to fraction form
    278,821,334.60/418,232,001.90 = 97,008,086.60/x
  3. Step 3: Cross multiply
    278,821,334.60x = 418,232,001.90 × 97,008,086.60
  4. Step 4: Simplify right side
    278,821,334.60x = 40,571,886,259,206,560
  5. Step 5: Solve for x
    x = 40,571,886,259,206,560/278,821,334.60
  6. Step 6: Final answer
    x = 145,512,129.90

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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.