Home / 119,791,998.80-179,687,998.20-39,021,131.60

Finding the Fourth Proportional to 119,791,998.80, 179,687,998.20 and 39,021,131.60

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Solution

The fourth proportional to 119,791,998.80, 179,687,998.20 and 39,021,131.60 is: 58,531,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,791,998.80 : 179,687,998.20 = 39,021,131.60 : x
  2. Step 2: Convert to fraction form
    119,791,998.80/179,687,998.20 = 39,021,131.60/x
  3. Step 3: Cross multiply
    119,791,998.80x = 179,687,998.20 × 39,021,131.60
  4. Step 4: Simplify right side
    119,791,998.80x = 7,011,629,024,702,763
  5. Step 5: Solve for x
    x = 7,011,629,024,702,763/119,791,998.80
  6. Step 6: Final answer
    x = 58,531,697.40

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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.