Home / 172,682,492.80-258,990,561.60-51,517,897.60

Finding the Fourth Proportional to 172,682,492.80, 258,990,561.60 and 51,517,897.60

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Solution

The fourth proportional to 172,682,492.80, 258,990,561.60 and 51,517,897.60 is: 77,266,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,682,492.80 : 258,990,561.60 = 51,517,897.60 : x
  2. Step 2: Convert to fraction form
    172,682,492.80/258,990,561.60 = 51,517,897.60/x
  3. Step 3: Cross multiply
    172,682,492.80x = 258,990,561.60 × 51,517,897.60
  4. Step 4: Simplify right side
    172,682,492.80x = 13,342,649,231,875,292
  5. Step 5: Solve for x
    x = 13,342,649,231,875,292/172,682,492.80
  6. Step 6: Final answer
    x = 77,266,948.23

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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.