Home / 331,361,909-497,114,611.68-126,889,991.54

Finding the Fourth Proportional to 331,361,909, 497,114,611.68 and 126,889,991.54

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Solution

The fourth proportional to 331,361,909, 497,114,611.68 and 126,889,991.54 is: 190,362,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,361,909 : 497,114,611.68 = 126,889,991.54 : x
  2. Step 2: Convert to fraction form
    331,361,909/497,114,611.68 = 126,889,991.54/x
  3. Step 3: Cross multiply
    331,361,909x = 497,114,611.68 × 126,889,991.54
  4. Step 4: Simplify right side
    331,361,909x = 63,078,868,870,485,592
  5. Step 5: Solve for x
    x = 63,078,868,870,485,592/331,361,909
  6. Step 6: Final answer
    x = 190,362,462.18

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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.