Home / 228,095,999.40-342,143,999.10-137,172,786.60

Finding the Fourth Proportional to 228,095,999.40, 342,143,999.10 and 137,172,786.60

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Solution

The fourth proportional to 228,095,999.40, 342,143,999.10 and 137,172,786.60 is: 205,759,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,095,999.40 : 342,143,999.10 = 137,172,786.60 : x
  2. Step 2: Convert to fraction form
    228,095,999.40/342,143,999.10 = 137,172,786.60/x
  3. Step 3: Cross multiply
    228,095,999.40x = 342,143,999.10 × 137,172,786.60
  4. Step 4: Simplify right side
    228,095,999.40x = 46,932,845,775,014,896
  5. Step 5: Solve for x
    x = 46,932,845,775,014,896/228,095,999.40
  6. Step 6: Final answer
    x = 205,759,179.90

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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.