Home / 178,337,872.80-267,254,866.80-131,917,485.60

Finding the Fourth Proportional to 178,337,872.80, 267,254,866.80 and 131,917,485.60

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Solution

The fourth proportional to 178,337,872.80, 267,254,866.80 and 131,917,485.60 is: 197,689,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,337,872.80 : 267,254,866.80 = 131,917,485.60 : x
  2. Step 2: Convert to fraction form
    178,337,872.80/267,254,866.80 = 131,917,485.60/x
  3. Step 3: Cross multiply
    178,337,872.80x = 267,254,866.80 × 131,917,485.60
  4. Step 4: Simplify right side
    178,337,872.80x = 35,255,590,042,618,920
  5. Step 5: Solve for x
    x = 35,255,590,042,618,920/178,337,872.80
  6. Step 6: Final answer
    x = 197,689,865.25

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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.