Home / 197,207,638.40-295,244,587.20-120,680,134.40

Finding the Fourth Proportional to 197,207,638.40, 295,244,587.20 and 120,680,134.40

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Solution

The fourth proportional to 197,207,638.40, 295,244,587.20 and 120,680,134.40 is: 180,673,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,207,638.40 : 295,244,587.20 = 120,680,134.40 : x
  2. Step 2: Convert to fraction form
    197,207,638.40/295,244,587.20 = 120,680,134.40/x
  3. Step 3: Cross multiply
    197,207,638.40x = 295,244,587.20 × 120,680,134.40
  4. Step 4: Simplify right side
    197,207,638.40x = 35,630,156,464,168,520
  5. Step 5: Solve for x
    x = 35,630,156,464,168,520/197,207,638.40
  6. Step 6: Final answer
    x = 180,673,308.36

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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.