Home / 172,072,003.60-258,108,005.40-133,104,912.40

Finding the Fourth Proportional to 172,072,003.60, 258,108,005.40 and 133,104,912.40

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Solution

The fourth proportional to 172,072,003.60, 258,108,005.40 and 133,104,912.40 is: 199,657,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,072,003.60 : 258,108,005.40 = 133,104,912.40 : x
  2. Step 2: Convert to fraction form
    172,072,003.60/258,108,005.40 = 133,104,912.40/x
  3. Step 3: Cross multiply
    172,072,003.60x = 258,108,005.40 × 133,104,912.40
  4. Step 4: Simplify right side
    172,072,003.60x = 34,355,443,448,505,728
  5. Step 5: Solve for x
    x = 34,355,443,448,505,728/172,072,003.60
  6. Step 6: Final answer
    x = 199,657,368.60

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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.