Home / 145,166,737.20-217,750,105.80-131,729,809.20

Finding the Fourth Proportional to 145,166,737.20, 217,750,105.80 and 131,729,809.20

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Solution

The fourth proportional to 145,166,737.20, 217,750,105.80 and 131,729,809.20 is: 197,594,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166,737.20 : 217,750,105.80 = 131,729,809.20 : x
  2. Step 2: Convert to fraction form
    145,166,737.20/217,750,105.80 = 131,729,809.20/x
  3. Step 3: Cross multiply
    145,166,737.20x = 217,750,105.80 × 131,729,809.20
  4. Step 4: Simplify right side
    145,166,737.20x = 28,684,179,890,313,816
  5. Step 5: Solve for x
    x = 28,684,179,890,313,816/145,166,737.20
  6. Step 6: Final answer
    x = 197,594,713.80

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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.