Home / 228,942,196.80-342,909,410.40-137,907,009.60

Finding the Fourth Proportional to 228,942,196.80, 342,909,410.40 and 137,907,009.60

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Solution

The fourth proportional to 228,942,196.80, 342,909,410.40 and 137,907,009.60 is: 206,556,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,942,196.80 : 342,909,410.40 = 137,907,009.60 : x
  2. Step 2: Convert to fraction form
    228,942,196.80/342,909,410.40 = 137,907,009.60/x
  3. Step 3: Cross multiply
    228,942,196.80x = 342,909,410.40 × 137,907,009.60
  4. Step 4: Simplify right side
    228,942,196.80x = 47,289,611,351,963,136
  5. Step 5: Solve for x
    x = 47,289,611,351,963,136/228,942,196.80
  6. Step 6: Final answer
    x = 206,556,991.30

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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.