Home / 71,075,723.28-106,620,091.44-19,957,397.76

Finding the Fourth Proportional to 71,075,723.28, 106,620,091.44 and 19,957,397.76

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Solution

The fourth proportional to 71,075,723.28, 106,620,091.44 and 19,957,397.76 is: 29,937,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,723.28 : 106,620,091.44 = 19,957,397.76 : x
  2. Step 2: Convert to fraction form
    71,075,723.28/106,620,091.44 = 19,957,397.76/x
  3. Step 3: Cross multiply
    71,075,723.28x = 106,620,091.44 × 19,957,397.76
  4. Step 4: Simplify right side
    71,075,723.28x = 2,127,859,574,075,651.25
  5. Step 5: Solve for x
    x = 2,127,859,574,075,651.25/71,075,723.28
  6. Step 6: Final answer
    x = 29,937,923.61

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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.