Home / 159,551,314.20-239,515,928.10-90,519,096.60

Finding the Fourth Proportional to 159,551,314.20, 239,515,928.10 and 90,519,096.60

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Solution

The fourth proportional to 159,551,314.20, 239,515,928.10 and 90,519,096.60 is: 135,885,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,551,314.20 : 239,515,928.10 = 90,519,096.60 : x
  2. Step 2: Convert to fraction form
    159,551,314.20/239,515,928.10 = 90,519,096.60/x
  3. Step 3: Cross multiply
    159,551,314.20x = 239,515,928.10 × 90,519,096.60
  4. Step 4: Simplify right side
    159,551,314.20x = 21,680,765,432,922,552
  5. Step 5: Solve for x
    x = 21,680,765,432,922,552/159,551,314.20
  6. Step 6: Final answer
    x = 135,885,846.77

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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.