Home / 268,248,096.80-402,372,145.20-145,485,225.80

Finding the Fourth Proportional to 268,248,096.80, 402,372,145.20 and 145,485,225.80

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Solution

The fourth proportional to 268,248,096.80, 402,372,145.20 and 145,485,225.80 is: 218,227,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,248,096.80 : 402,372,145.20 = 145,485,225.80 : x
  2. Step 2: Convert to fraction form
    268,248,096.80/402,372,145.20 = 145,485,225.80/x
  3. Step 3: Cross multiply
    268,248,096.80x = 402,372,145.20 × 145,485,225.80
  4. Step 4: Simplify right side
    268,248,096.80x = 58,539,202,400,052,392
  5. Step 5: Solve for x
    x = 58,539,202,400,052,392/268,248,096.80
  6. Step 6: Final answer
    x = 218,227,838.70

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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.