Home / 363,967,268.64-545,950,905.12-121,630,172.64

Finding the Fourth Proportional to 363,967,268.64, 545,950,905.12 and 121,630,172.64

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Solution

The fourth proportional to 363,967,268.64, 545,950,905.12 and 121,630,172.64 is: 182,445,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,967,268.64 : 545,950,905.12 = 121,630,172.64 : x
  2. Step 2: Convert to fraction form
    363,967,268.64/545,950,905.12 = 121,630,172.64/x
  3. Step 3: Cross multiply
    363,967,268.64x = 545,950,905.12 × 121,630,172.64
  4. Step 4: Simplify right side
    363,967,268.64x = 66,404,102,842,709,864
  5. Step 5: Solve for x
    x = 66,404,102,842,709,864/363,967,268.64
  6. Step 6: Final answer
    x = 182,445,259.68

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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.