Home / 96,831,286.40-145,414,891.20-51,481,654.40

Finding the Fourth Proportional to 96,831,286.40, 145,414,891.20 and 51,481,654.40

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Solution

The fourth proportional to 96,831,286.40, 145,414,891.20 and 51,481,654.40 is: 77,311,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,831,286.40 : 145,414,891.20 = 51,481,654.40 : x
  2. Step 2: Convert to fraction form
    96,831,286.40/145,414,891.20 = 51,481,654.40/x
  3. Step 3: Cross multiply
    96,831,286.40x = 145,414,891.20 × 51,481,654.40
  4. Step 4: Simplify right side
    96,831,286.40x = 7,486,199,173,372,000
  5. Step 5: Solve for x
    x = 7,486,199,173,372,000/96,831,286.40
  6. Step 6: Final answer
    x = 77,311,780.64

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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.