Home / 71,075,855.40-106,620,288.62-19,957,529.76

Finding the Fourth Proportional to 71,075,855.40, 106,620,288.62 and 19,957,529.76

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Solution

The fourth proportional to 71,075,855.40, 106,620,288.62 and 19,957,529.76 is: 29,938,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,855.40 : 106,620,288.62 = 19,957,529.76 : x
  2. Step 2: Convert to fraction form
    71,075,855.40/106,620,288.62 = 19,957,529.76/x
  3. Step 3: Cross multiply
    71,075,855.40x = 106,620,288.62 × 19,957,529.76
  4. Step 4: Simplify right side
    71,075,855.40x = 2,127,877,583,053,651.75
  5. Step 5: Solve for x
    x = 2,127,877,583,053,651.75/71,075,855.40
  6. Step 6: Final answer
    x = 29,938,121.34

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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.