Home / 106,345,647.90-159,518,471.85-91,040,147.10

Finding the Fourth Proportional to 106,345,647.90, 159,518,471.85 and 91,040,147.10

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Solution

The fourth proportional to 106,345,647.90, 159,518,471.85 and 91,040,147.10 is: 136,560,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,345,647.90 : 159,518,471.85 = 91,040,147.10 : x
  2. Step 2: Convert to fraction form
    106,345,647.90/159,518,471.85 = 91,040,147.10/x
  3. Step 3: Cross multiply
    106,345,647.90x = 159,518,471.85 × 91,040,147.10
  4. Step 4: Simplify right side
    106,345,647.90x = 14,522,585,142,391,208
  5. Step 5: Solve for x
    x = 14,522,585,142,391,208/106,345,647.90
  6. Step 6: Final answer
    x = 136,560,220.65

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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.