Home / 197,208,489.90-295,245,864.45-120,680,985.90

Finding the Fourth Proportional to 197,208,489.90, 295,245,864.45 and 120,680,985.90

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Solution

The fourth proportional to 197,208,489.90, 295,245,864.45 and 120,680,985.90 is: 180,674,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,208,489.90 : 295,245,864.45 = 120,680,985.90 : x
  2. Step 2: Convert to fraction form
    197,208,489.90/295,245,864.45 = 120,680,985.90/x
  3. Step 3: Cross multiply
    197,208,489.90x = 295,245,864.45 × 120,680,985.90
  4. Step 4: Simplify right side
    197,208,489.90x = 35,630,562,004,723,760
  5. Step 5: Solve for x
    x = 35,630,562,004,723,760/197,208,489.90
  6. Step 6: Final answer
    x = 180,674,584.66

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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.