Home / 65,164,378,158.72-97,693,819,013.23-20,372,818,857.32

Finding the Fourth Proportional to 65,164,378,158.72, 97,693,819,013.23 and 20,372,818,857.32

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Solution

The fourth proportional to 65,164,378,158.72, 97,693,819,013.23 and 20,372,818,857.32 is: 30,542,737,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,164,378,158.72 : 97,693,819,013.23 = 20,372,818,857.32 : x
  2. Step 2: Convert to fraction form
    65,164,378,158.72/97,693,819,013.23 = 20,372,818,857.32/x
  3. Step 3: Cross multiply
    65,164,378,158.72x = 97,693,819,013.23 × 20,372,818,857.32
  4. Step 4: Simplify right side
    65,164,378,158.72x = 1,990,298,478,236,591,718,400
  5. Step 5: Solve for x
    x = 1,990,298,478,236,591,718,400/65,164,378,158.72
  6. Step 6: Final answer
    x = 30,542,737,220.46

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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.