Home / 263,387,090.64-363,496,505.61-145,949,258.46

Finding the Fourth Proportional to 263,387,090.64, 363,496,505.61 and 145,949,258.46

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Solution

The fourth proportional to 263,387,090.64, 363,496,505.61 and 145,949,258.46 is: 201,422,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,387,090.64 : 363,496,505.61 = 145,949,258.46 : x
  2. Step 2: Convert to fraction form
    263,387,090.64/363,496,505.61 = 145,949,258.46/x
  3. Step 3: Cross multiply
    263,387,090.64x = 363,496,505.61 × 145,949,258.46
  4. Step 4: Simplify right side
    263,387,090.64x = 53,052,045,446,580,736
  5. Step 5: Solve for x
    x = 53,052,045,446,580,736/263,387,090.64
  6. Step 6: Final answer
    x = 201,422,345.03

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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.