Home / 201,482,138.40-302,297,857.20-194,017,178.40

Finding the Fourth Proportional to 201,482,138.40, 302,297,857.20 and 194,017,178.40

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Solution

The fourth proportional to 201,482,138.40, 302,297,857.20 and 194,017,178.40 is: 291,097,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,482,138.40 : 302,297,857.20 = 194,017,178.40 : x
  2. Step 2: Convert to fraction form
    201,482,138.40/302,297,857.20 = 194,017,178.40/x
  3. Step 3: Cross multiply
    201,482,138.40x = 302,297,857.20 × 194,017,178.40
  4. Step 4: Simplify right side
    201,482,138.40x = 58,650,977,290,310,120
  5. Step 5: Solve for x
    x = 58,650,977,290,310,120/201,482,138.40
  6. Step 6: Final answer
    x = 291,097,651.41

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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.