Home / 196,830,178.80-295,245,268.20-185,492,770.80

Finding the Fourth Proportional to 196,830,178.80, 295,245,268.20 and 185,492,770.80

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Solution

The fourth proportional to 196,830,178.80, 295,245,268.20 and 185,492,770.80 is: 278,239,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,178.80 : 295,245,268.20 = 185,492,770.80 : x
  2. Step 2: Convert to fraction form
    196,830,178.80/295,245,268.20 = 185,492,770.80/x
  3. Step 3: Cross multiply
    196,830,178.80x = 295,245,268.20 × 185,492,770.80
  4. Step 4: Simplify right side
    196,830,178.80x = 54,765,862,864,007,128
  5. Step 5: Solve for x
    x = 54,765,862,864,007,128/196,830,178.80
  6. Step 6: Final answer
    x = 278,239,156.20

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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.