Home / 196,993,431.20-295,490,146.80-115,364,093.60

Finding the Fourth Proportional to 196,993,431.20, 295,490,146.80 and 115,364,093.60

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Solution

The fourth proportional to 196,993,431.20, 295,490,146.80 and 115,364,093.60 is: 173,046,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,993,431.20 : 295,490,146.80 = 115,364,093.60 : x
  2. Step 2: Convert to fraction form
    196,993,431.20/295,490,146.80 = 115,364,093.60/x
  3. Step 3: Cross multiply
    196,993,431.20x = 295,490,146.80 × 115,364,093.60
  4. Step 4: Simplify right side
    196,993,431.20x = 34,088,952,953,312,940
  5. Step 5: Solve for x
    x = 34,088,952,953,312,940/196,993,431.20
  6. Step 6: Final answer
    x = 173,046,140.40

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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.