Home / 154,794,617.78-213,613,869.47-84,227,847.35

Finding the Fourth Proportional to 154,794,617.78, 213,613,869.47 and 84,227,847.35

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Solution

The fourth proportional to 154,794,617.78, 213,613,869.47 and 84,227,847.35 is: 116,232,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,794,617.78 : 213,613,869.47 = 84,227,847.35 : x
  2. Step 2: Convert to fraction form
    154,794,617.78/213,613,869.47 = 84,227,847.35/x
  3. Step 3: Cross multiply
    154,794,617.78x = 213,613,869.47 × 84,227,847.35
  4. Step 4: Simplify right side
    154,794,617.78x = 17,992,236,388,072,776
  5. Step 5: Solve for x
    x = 17,992,236,388,072,776/154,794,617.78
  6. Step 6: Final answer
    x = 116,232,958.53

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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.