Home / 197,178,018.94-295,793,931.22-82,135,657.16

Finding the Fourth Proportional to 197,178,018.94, 295,793,931.22 and 82,135,657.16

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Solution

The fourth proportional to 197,178,018.94, 295,793,931.22 and 82,135,657.16 is: 123,214,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,178,018.94 : 295,793,931.22 = 82,135,657.16 : x
  2. Step 2: Convert to fraction form
    197,178,018.94/295,793,931.22 = 82,135,657.16/x
  3. Step 3: Cross multiply
    197,178,018.94x = 295,793,931.22 × 82,135,657.16
  4. Step 4: Simplify right side
    197,178,018.94x = 24,295,228,924,694,540
  5. Step 5: Solve for x
    x = 24,295,228,924,694,540/197,178,018.94
  6. Step 6: Final answer
    x = 123,214,692.26

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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.