Home / 71,075,739.46-106,620,115.38-19,957,413.82

Finding the Fourth Proportional to 71,075,739.46, 106,620,115.38 and 19,957,413.82

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Solution

The fourth proportional to 71,075,739.46, 106,620,115.38 and 19,957,413.82 is: 29,937,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,739.46 : 106,620,115.38 = 19,957,413.82 : x
  2. Step 2: Convert to fraction form
    71,075,739.46/106,620,115.38 = 19,957,413.82/x
  3. Step 3: Cross multiply
    71,075,739.46x = 106,620,115.38 × 19,957,413.82
  4. Step 4: Simplify right side
    71,075,739.46x = 2,127,861,764,174,806.50
  5. Step 5: Solve for x
    x = 2,127,861,764,174,806.50/71,075,739.46
  6. Step 6: Final answer
    x = 29,937,947.61

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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.