Home / 262,108,881.62-361,717,943.85-143,039,161.83

Finding the Fourth Proportional to 262,108,881.62, 361,717,943.85 and 143,039,161.83

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Solution

The fourth proportional to 262,108,881.62, 361,717,943.85 and 143,039,161.83 is: 197,398,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,108,881.62 : 361,717,943.85 = 143,039,161.83 : x
  2. Step 2: Convert to fraction form
    262,108,881.62/361,717,943.85 = 143,039,161.83/x
  3. Step 3: Cross multiply
    262,108,881.62x = 361,717,943.85 × 143,039,161.83
  4. Step 4: Simplify right side
    262,108,881.62x = 51,739,831,507,175,008
  5. Step 5: Solve for x
    x = 51,739,831,507,175,008/262,108,881.62
  6. Step 6: Final answer
    x = 197,398,238.43

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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.