Home / 65,164,378,644.31-97,693,819,740.60-20,372,819,343.94

Finding the Fourth Proportional to 65,164,378,644.31, 97,693,819,740.60 and 20,372,819,343.94

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Solution

The fourth proportional to 65,164,378,644.31, 97,693,819,740.60 and 20,372,819,343.94 is: 30,542,737,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,378,644.31 : 97,693,819,740.60 = 20,372,819,343.94 : x
  2. Step 2: Convert to fraction form
    65,164,378,644.31/97,693,819,740.60 = 20,372,819,343.94/x
  3. Step 3: Cross multiply
    65,164,378,644.31x = 97,693,819,740.60 × 20,372,819,343.94
  4. Step 4: Simplify right side
    65,164,378,644.31x = 1,990,298,540,594,683,183,104
  5. Step 5: Solve for x
    x = 1,990,298,540,594,683,183,104/65,164,378,644.31
  6. Step 6: Final answer
    x = 30,542,737,949.80

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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.