Home / 197,207,090.40-295,243,765.20-120,679,586.40

Finding the Fourth Proportional to 197,207,090.40, 295,243,765.20 and 120,679,586.40

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Solution

The fourth proportional to 197,207,090.40, 295,243,765.20 and 120,679,586.40 is: 180,672,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,207,090.40 : 295,243,765.20 = 120,679,586.40 : x
  2. Step 2: Convert to fraction form
    197,207,090.40/295,243,765.20 = 120,679,586.40/x
  3. Step 3: Cross multiply
    197,207,090.40x = 295,243,765.20 × 120,679,586.40
  4. Step 4: Simplify right side
    197,207,090.40x = 35,629,895,471,514,712
  5. Step 5: Solve for x
    x = 35,629,895,471,514,712/197,207,090.40
  6. Step 6: Final answer
    x = 180,672,486.97

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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.