Home / 111,138,666.60-166,707,999.90-30,359,634.60

Finding the Fourth Proportional to 111,138,666.60, 166,707,999.90 and 30,359,634.60

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Solution

The fourth proportional to 111,138,666.60, 166,707,999.90 and 30,359,634.60 is: 45,539,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,138,666.60 : 166,707,999.90 = 30,359,634.60 : x
  2. Step 2: Convert to fraction form
    111,138,666.60/166,707,999.90 = 30,359,634.60/x
  3. Step 3: Cross multiply
    111,138,666.60x = 166,707,999.90 × 30,359,634.60
  4. Step 4: Simplify right side
    111,138,666.60x = 5,061,193,961,860,837
  5. Step 5: Solve for x
    x = 5,061,193,961,860,837/111,138,666.60
  6. Step 6: Final answer
    x = 45,539,451.90

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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.