Home / 172,682,557.80-258,990,659.10-51,517,962.60

Finding the Fourth Proportional to 172,682,557.80, 258,990,659.10 and 51,517,962.60

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Solution

The fourth proportional to 172,682,557.80, 258,990,659.10 and 51,517,962.60 is: 77,267,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,682,557.80 : 258,990,659.10 = 51,517,962.60 : x
  2. Step 2: Convert to fraction form
    172,682,557.80/258,990,659.10 = 51,517,962.60/x
  3. Step 3: Cross multiply
    172,682,557.80x = 258,990,659.10 × 51,517,962.60
  4. Step 4: Simplify right side
    172,682,557.80x = 13,342,671,089,263,150
  5. Step 5: Solve for x
    x = 13,342,671,089,263,150/172,682,557.80
  6. Step 6: Final answer
    x = 77,267,045.72

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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.