Home / 139,968,166.70-209,952,250.05-71,093,413.10

Finding the Fourth Proportional to 139,968,166.70, 209,952,250.05 and 71,093,413.10

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Solution

The fourth proportional to 139,968,166.70, 209,952,250.05 and 71,093,413.10 is: 106,640,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,166.70 : 209,952,250.05 = 71,093,413.10 : x
  2. Step 2: Convert to fraction form
    139,968,166.70/209,952,250.05 = 71,093,413.10/x
  3. Step 3: Cross multiply
    139,968,166.70x = 209,952,250.05 × 71,093,413.10
  4. Step 4: Simplify right side
    139,968,166.70x = 14,926,222,044,079,146
  5. Step 5: Solve for x
    x = 14,926,222,044,079,146/139,968,166.70
  6. Step 6: Final answer
    x = 106,640,119.65

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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.