Home / 112,162,012.80-168,243,019.20-48,336,604.80

Finding the Fourth Proportional to 112,162,012.80, 168,243,019.20 and 48,336,604.80

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Solution

The fourth proportional to 112,162,012.80, 168,243,019.20 and 48,336,604.80 is: 72,504,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,162,012.80 : 168,243,019.20 = 48,336,604.80 : x
  2. Step 2: Convert to fraction form
    112,162,012.80/168,243,019.20 = 48,336,604.80/x
  3. Step 3: Cross multiply
    112,162,012.80x = 168,243,019.20 × 48,336,604.80
  4. Step 4: Simplify right side
    112,162,012.80x = 8,132,296,329,429,211
  5. Step 5: Solve for x
    x = 8,132,296,329,429,211/112,162,012.80
  6. Step 6: Final answer
    x = 72,504,907.20

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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.