Home / 263,387,091.90-363,496,507.34-145,949,259.72

Finding the Fourth Proportional to 263,387,091.90, 363,496,507.34 and 145,949,259.72

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Solution

The fourth proportional to 263,387,091.90, 363,496,507.34 and 145,949,259.72 is: 201,422,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,387,091.90 : 363,496,507.34 = 145,949,259.72 : x
  2. Step 2: Convert to fraction form
    263,387,091.90/363,496,507.34 = 145,949,259.72/x
  3. Step 3: Cross multiply
    263,387,091.90x = 363,496,507.34 × 145,949,259.72
  4. Step 4: Simplify right side
    263,387,091.90x = 53,052,046,156,348,800
  5. Step 5: Solve for x
    x = 53,052,046,156,348,800/263,387,091.90
  6. Step 6: Final answer
    x = 201,422,346.76

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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.