Home / 196,993,460.80-295,490,191.20-115,364,123.20

Finding the Fourth Proportional to 196,993,460.80, 295,490,191.20 and 115,364,123.20

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Solution

The fourth proportional to 196,993,460.80, 295,490,191.20 and 115,364,123.20 is: 173,046,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,993,460.80 : 295,490,191.20 = 115,364,123.20 : x
  2. Step 2: Convert to fraction form
    196,993,460.80/295,490,191.20 = 115,364,123.20/x
  3. Step 3: Cross multiply
    196,993,460.80x = 295,490,191.20 × 115,364,123.20
  4. Step 4: Simplify right side
    196,993,460.80x = 34,088,966,821,988,356
  5. Step 5: Solve for x
    x = 34,088,966,821,988,356/196,993,460.80
  6. Step 6: Final answer
    x = 173,046,184.80

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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.