Home / 73,872,002.05-110,808,003.08-72,864,232.45

Finding the Fourth Proportional to 73,872,002.05, 110,808,003.08 and 72,864,232.45

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Solution

The fourth proportional to 73,872,002.05, 110,808,003.08 and 72,864,232.45 is: 109,296,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,002.05 : 110,808,003.08 = 72,864,232.45 : x
  2. Step 2: Convert to fraction form
    73,872,002.05/110,808,003.08 = 72,864,232.45/x
  3. Step 3: Cross multiply
    73,872,002.05x = 110,808,003.08 × 72,864,232.45
  4. Step 4: Simplify right side
    73,872,002.05x = 8,073,940,093,741,436
  5. Step 5: Solve for x
    x = 8,073,940,093,741,436/73,872,002.05
  6. Step 6: Final answer
    x = 109,296,348.68

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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.