Home / 71,075,334.87-106,619,508.63-19,957,009.23

Finding the Fourth Proportional to 71,075,334.87, 106,619,508.63 and 19,957,009.23

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Solution

The fourth proportional to 71,075,334.87, 106,619,508.63 and 19,957,009.23 is: 29,937,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,334.87 : 106,619,508.63 = 19,957,009.23 : x
  2. Step 2: Convert to fraction form
    71,075,334.87/106,619,508.63 = 19,957,009.23/x
  3. Step 3: Cross multiply
    71,075,334.87x = 106,619,508.63 × 19,957,009.23
  4. Step 4: Simplify right side
    71,075,334.87x = 2,127,806,517,826,974.50
  5. Step 5: Solve for x
    x = 2,127,806,517,826,974.50/71,075,334.87
  6. Step 6: Final answer
    x = 29,937,340.73

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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.