Home / 71,082,067.70-106,623,101.55-46,423,205.30

Finding the Fourth Proportional to 71,082,067.70, 106,623,101.55 and 46,423,205.30

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Solution

The fourth proportional to 71,082,067.70, 106,623,101.55 and 46,423,205.30 is: 69,634,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,067.70 : 106,623,101.55 = 46,423,205.30 : x
  2. Step 2: Convert to fraction form
    71,082,067.70/106,623,101.55 = 46,423,205.30/x
  3. Step 3: Cross multiply
    71,082,067.70x = 106,623,101.55 × 46,423,205.30
  4. Step 4: Simplify right side
    71,082,067.70x = 4,949,786,132,978,398
  5. Step 5: Solve for x
    x = 4,949,786,132,978,398/71,082,067.70
  6. Step 6: Final answer
    x = 69,634,807.95

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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.