Home / 72,018,199.14-108,031,940.67-25,325,956.90

Finding the Fourth Proportional to 72,018,199.14, 108,031,940.67 and 25,325,956.90

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Solution

The fourth proportional to 72,018,199.14, 108,031,940.67 and 25,325,956.90 is: 37,990,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,018,199.14 : 108,031,940.67 = 25,325,956.90 : x
  2. Step 2: Convert to fraction form
    72,018,199.14/108,031,940.67 = 25,325,956.90/x
  3. Step 3: Cross multiply
    72,018,199.14x = 108,031,940.67 × 25,325,956.90
  4. Step 4: Simplify right side
    72,018,199.14x = 2,736,012,273,231,777
  5. Step 5: Solve for x
    x = 2,736,012,273,231,777/72,018,199.14
  6. Step 6: Final answer
    x = 37,990,567.74

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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.