Home / 31,217,908.80-46,826,863.20-30,739,611.90

Finding the Fourth Proportional to 31,217,908.80, 46,826,863.20 and 30,739,611.90

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Solution

The fourth proportional to 31,217,908.80, 46,826,863.20 and 30,739,611.90 is: 46,109,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,908.80 : 46,826,863.20 = 30,739,611.90 : x
  2. Step 2: Convert to fraction form
    31,217,908.80/46,826,863.20 = 30,739,611.90/x
  3. Step 3: Cross multiply
    31,217,908.80x = 46,826,863.20 × 30,739,611.90
  4. Step 4: Simplify right side
    31,217,908.80x = 1,439,439,601,262,392
  5. Step 5: Solve for x
    x = 1,439,439,601,262,392/31,217,908.80
  6. Step 6: Final answer
    x = 46,109,417.85

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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.