Home / 65,373,102.30-90,208,205.10-40,251,222.30

Finding the Fourth Proportional to 65,373,102.30, 90,208,205.10 and 40,251,222.30

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Solution

The fourth proportional to 65,373,102.30, 90,208,205.10 and 40,251,222.30 is: 55,542,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,102.30 : 90,208,205.10 = 40,251,222.30 : x
  2. Step 2: Convert to fraction form
    65,373,102.30/90,208,205.10 = 40,251,222.30/x
  3. Step 3: Cross multiply
    65,373,102.30x = 90,208,205.10 × 40,251,222.30
  4. Step 4: Simplify right side
    65,373,102.30x = 3,630,990,516,764,093
  5. Step 5: Solve for x
    x = 3,630,990,516,764,093/65,373,102.30
  6. Step 6: Final answer
    x = 55,542,576.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.