Home / 197,208,082.40-295,245,253.20-120,680,578.40

Finding the Fourth Proportional to 197,208,082.40, 295,245,253.20 and 120,680,578.40

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Solution

The fourth proportional to 197,208,082.40, 295,245,253.20 and 120,680,578.40 is: 180,673,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,208,082.40 : 295,245,253.20 = 120,680,578.40 : x
  2. Step 2: Convert to fraction form
    197,208,082.40/295,245,253.20 = 120,680,578.40/x
  3. Step 3: Cross multiply
    197,208,082.40x = 295,245,253.20 × 120,680,578.40
  4. Step 4: Simplify right side
    197,208,082.40x = 35,630,367,926,030,452
  5. Step 5: Solve for x
    x = 35,630,367,926,030,452/197,208,082.40
  6. Step 6: Final answer
    x = 180,673,973.87

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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.