Home / 71,075,488.56-106,619,739.20-19,957,162.92

Finding the Fourth Proportional to 71,075,488.56, 106,619,739.20 and 19,957,162.92

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Solution

The fourth proportional to 71,075,488.56, 106,619,739.20 and 19,957,162.92 is: 29,937,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,075,488.56 : 106,619,739.20 = 19,957,162.92 : x
  2. Step 2: Convert to fraction form
    71,075,488.56/106,619,739.20 = 19,957,162.92/x
  3. Step 3: Cross multiply
    71,075,488.56x = 106,619,739.20 × 19,957,162.92
  4. Step 4: Simplify right side
    71,075,488.56x = 2,127,827,505,702,310.75
  5. Step 5: Solve for x
    x = 2,127,827,505,702,310.75/71,075,488.56
  6. Step 6: Final answer
    x = 29,937,571.29

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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.