Home / 71,223,067.80-106,834,601.70-42,501,634.20

Finding the Fourth Proportional to 71,223,067.80, 106,834,601.70 and 42,501,634.20

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Solution

The fourth proportional to 71,223,067.80, 106,834,601.70 and 42,501,634.20 is: 63,752,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223,067.80 : 106,834,601.70 = 42,501,634.20 : x
  2. Step 2: Convert to fraction form
    71,223,067.80/106,834,601.70 = 42,501,634.20/x
  3. Step 3: Cross multiply
    71,223,067.80x = 106,834,601.70 × 42,501,634.20
  4. Step 4: Simplify right side
    71,223,067.80x = 4,540,645,161,356,099
  5. Step 5: Solve for x
    x = 4,540,645,161,356,099/71,223,067.80
  6. Step 6: Final answer
    x = 63,752,451.30

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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.