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Finding the Fourth Proportional to 100,939,222.98, 151,410,035.98 and 28,151,575.12

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Solution

The fourth proportional to 100,939,222.98, 151,410,035.98 and 28,151,575.12 is: 42,227,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,939,222.98 : 151,410,035.98 = 28,151,575.12 : x
  2. Step 2: Convert to fraction form
    100,939,222.98/151,410,035.98 = 28,151,575.12/x
  3. Step 3: Cross multiply
    100,939,222.98x = 151,410,035.98 × 28,151,575.12
  4. Step 4: Simplify right side
    100,939,222.98x = 4,262,431,001,812,872.50
  5. Step 5: Solve for x
    x = 4,262,431,001,812,872.50/100,939,222.98
  6. Step 6: Final answer
    x = 42,227,697.78

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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.