Home / 312,741,278.08-469,235,477.22-118,704,197.37

Finding the Fourth Proportional to 312,741,278.08, 469,235,477.22 and 118,704,197.37

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Solution

The fourth proportional to 312,741,278.08, 469,235,477.22 and 118,704,197.37 is: 178,103,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,741,278.08 : 469,235,477.22 = 118,704,197.37 : x
  2. Step 2: Convert to fraction form
    312,741,278.08/469,235,477.22 = 118,704,197.37/x
  3. Step 3: Cross multiply
    312,741,278.08x = 469,235,477.22 × 118,704,197.37
  4. Step 4: Simplify right side
    312,741,278.08x = 55,700,220,700,929,024
  5. Step 5: Solve for x
    x = 55,700,220,700,929,024/312,741,278.08
  6. Step 6: Final answer
    x = 178,103,194.57

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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.