Home / 318,741,345.40-440,066,149.22-260,143,785.96

Finding the Fourth Proportional to 318,741,345.40, 440,066,149.22 and 260,143,785.96

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Solution

The fourth proportional to 318,741,345.40, 440,066,149.22 and 260,143,785.96 is: 359,164,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,741,345.40 : 440,066,149.22 = 260,143,785.96 : x
  2. Step 2: Convert to fraction form
    318,741,345.40/440,066,149.22 = 260,143,785.96/x
  3. Step 3: Cross multiply
    318,741,345.40x = 440,066,149.22 × 260,143,785.96
  4. Step 4: Simplify right side
    318,741,345.40x = 114,480,474,130,929,120
  5. Step 5: Solve for x
    x = 114,480,474,130,929,120/318,741,345.40
  6. Step 6: Final answer
    x = 359,164,180.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.