Home / 71,966,801.80-99,305,651.58-40,603,022.56

Finding the Fourth Proportional to 71,966,801.80, 99,305,651.58 and 40,603,022.56

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Solution

The fourth proportional to 71,966,801.80, 99,305,651.58 and 40,603,022.56 is: 56,027,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966,801.80 : 99,305,651.58 = 40,603,022.56 : x
  2. Step 2: Convert to fraction form
    71,966,801.80/99,305,651.58 = 40,603,022.56/x
  3. Step 3: Cross multiply
    71,966,801.80x = 99,305,651.58 × 40,603,022.56
  4. Step 4: Simplify right side
    71,966,801.80x = 4,032,109,611,438,240
  5. Step 5: Solve for x
    x = 4,032,109,611,438,240/71,966,801.80
  6. Step 6: Final answer
    x = 56,027,355.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.