Home / 112,219,478.80-168,329,218.20-39,447,491.20

Finding the Fourth Proportional to 112,219,478.80, 168,329,218.20 and 39,447,491.20

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Solution

The fourth proportional to 112,219,478.80, 168,329,218.20 and 39,447,491.20 is: 59,171,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219,478.80 : 168,329,218.20 = 39,447,491.20 : x
  2. Step 2: Convert to fraction form
    112,219,478.80/168,329,218.20 = 39,447,491.20/x
  3. Step 3: Cross multiply
    112,219,478.80x = 168,329,218.20 × 39,447,491.20
  4. Step 4: Simplify right side
    112,219,478.80x = 6,640,165,353,647,380
  5. Step 5: Solve for x
    x = 6,640,165,353,647,380/112,219,478.80
  6. Step 6: Final answer
    x = 59,171,236.80

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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.