Home / 228,942,256.80-342,909,500.40-137,907,069.60

Finding the Fourth Proportional to 228,942,256.80, 342,909,500.40 and 137,907,069.60

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Solution

The fourth proportional to 228,942,256.80, 342,909,500.40 and 137,907,069.60 is: 206,557,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,942,256.80 : 342,909,500.40 = 137,907,069.60 : x
  2. Step 2: Convert to fraction form
    228,942,256.80/342,909,500.40 = 137,907,069.60/x
  3. Step 3: Cross multiply
    228,942,256.80x = 342,909,500.40 × 137,907,069.60
  4. Step 4: Simplify right side
    228,942,256.80x = 47,289,644,338,164,024
  5. Step 5: Solve for x
    x = 47,289,644,338,164,024/228,942,256.80
  6. Step 6: Final answer
    x = 206,557,081.24

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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.