Home / 65,164,378,172.86-97,693,819,034.40-20,372,818,871.44

Finding the Fourth Proportional to 65,164,378,172.86, 97,693,819,034.40 and 20,372,818,871.44

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Solution

The fourth proportional to 65,164,378,172.86, 97,693,819,034.40 and 20,372,818,871.44 is: 30,542,737,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,378,172.86 : 97,693,819,034.40 = 20,372,818,871.44 : x
  2. Step 2: Convert to fraction form
    65,164,378,172.86/97,693,819,034.40 = 20,372,818,871.44/x
  3. Step 3: Cross multiply
    65,164,378,172.86x = 97,693,819,034.40 × 20,372,818,871.44
  4. Step 4: Simplify right side
    65,164,378,172.86x = 1,990,298,480,047,068,282,880
  5. Step 5: Solve for x
    x = 1,990,298,480,047,068,282,880/65,164,378,172.86
  6. Step 6: Final answer
    x = 30,542,737,241.62

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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.