Home / 74,707,067.70-112,060,601.55-45,859,662.90

Finding the Fourth Proportional to 74,707,067.70, 112,060,601.55 and 45,859,662.90

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Solution

The fourth proportional to 74,707,067.70, 112,060,601.55 and 45,859,662.90 is: 68,789,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,707,067.70 : 112,060,601.55 = 45,859,662.90 : x
  2. Step 2: Convert to fraction form
    74,707,067.70/112,060,601.55 = 45,859,662.90/x
  3. Step 3: Cross multiply
    74,707,067.70x = 112,060,601.55 × 45,859,662.90
  4. Step 4: Simplify right side
    74,707,067.70x = 5,139,061,411,454,217
  5. Step 5: Solve for x
    x = 5,139,061,411,454,217/74,707,067.70
  6. Step 6: Final answer
    x = 68,789,494.35

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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.