Home / 69,993,995.08-105,044,580.78-31,682,413.96

Finding the Fourth Proportional to 69,993,995.08, 105,044,580.78 and 31,682,413.96

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Solution

The fourth proportional to 69,993,995.08, 105,044,580.78 and 31,682,413.96 is: 47,547,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993,995.08 : 105,044,580.78 = 31,682,413.96 : x
  2. Step 2: Convert to fraction form
    69,993,995.08/105,044,580.78 = 31,682,413.96/x
  3. Step 3: Cross multiply
    69,993,995.08x = 105,044,580.78 × 31,682,413.96
  4. Step 4: Simplify right side
    69,993,995.08x = 3,328,065,892,526,620
  5. Step 5: Solve for x
    x = 3,328,065,892,526,620/69,993,995.08
  6. Step 6: Final answer
    x = 47,547,877.34

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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.