Home / 202,465,090.62-279,400,434.48-109,643,474.34

Finding the Fourth Proportional to 202,465,090.62, 279,400,434.48 and 109,643,474.34

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Solution

The fourth proportional to 202,465,090.62, 279,400,434.48 and 109,643,474.34 is: 151,307,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,465,090.62 : 279,400,434.48 = 109,643,474.34 : x
  2. Step 2: Convert to fraction form
    202,465,090.62/279,400,434.48 = 109,643,474.34/x
  3. Step 3: Cross multiply
    202,465,090.62x = 279,400,434.48 × 109,643,474.34
  4. Step 4: Simplify right side
    202,465,090.62x = 30,634,434,368,492,736
  5. Step 5: Solve for x
    x = 30,634,434,368,492,736/202,465,090.62
  6. Step 6: Final answer
    x = 151,307,241.53

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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.