Home / 279,200,286.51-418,991,719.37-97,447,464.51

Finding the Fourth Proportional to 279,200,286.51, 418,991,719.37 and 97,447,464.51

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Solution

The fourth proportional to 279,200,286.51, 418,991,719.37 and 97,447,464.51 is: 146,237,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,200,286.51 : 418,991,719.37 = 97,447,464.51 : x
  2. Step 2: Convert to fraction form
    279,200,286.51/418,991,719.37 = 97,447,464.51/x
  3. Step 3: Cross multiply
    279,200,286.51x = 418,991,719.37 × 97,447,464.51
  4. Step 4: Simplify right side
    279,200,286.51x = 40,829,680,702,804,720
  5. Step 5: Solve for x
    x = 40,829,680,702,804,720/279,200,286.51
  6. Step 6: Final answer
    x = 146,237,961.33

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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.