Home / 172,578,610.80-258,647,466.60-70,227,010.80

Finding the Fourth Proportional to 172,578,610.80, 258,647,466.60 and 70,227,010.80

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Solution

The fourth proportional to 172,578,610.80, 258,647,466.60 and 70,227,010.80 is: 105,250,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,578,610.80 : 258,647,466.60 = 70,227,010.80 : x
  2. Step 2: Convert to fraction form
    172,578,610.80/258,647,466.60 = 70,227,010.80/x
  3. Step 3: Cross multiply
    172,578,610.80x = 258,647,466.60 × 70,227,010.80
  4. Step 4: Simplify right side
    172,578,610.80x = 18,164,038,430,310,840
  5. Step 5: Solve for x
    x = 18,164,038,430,310,840/172,578,610.80
  6. Step 6: Final answer
    x = 105,250,809.16

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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.