Home / 505,595,266.64-758,392,898.88-142,089,622.64

Finding the Fourth Proportional to 505,595,266.64, 758,392,898.88 and 142,089,622.64

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Solution

The fourth proportional to 505,595,266.64, 758,392,898.88 and 142,089,622.64 is: 213,134,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,595,266.64 : 758,392,898.88 = 142,089,622.64 : x
  2. Step 2: Convert to fraction form
    505,595,266.64/758,392,898.88 = 142,089,622.64/x
  3. Step 3: Cross multiply
    505,595,266.64x = 758,392,898.88 × 142,089,622.64
  4. Step 4: Simplify right side
    505,595,266.64x = 107,759,760,814,714,864
  5. Step 5: Solve for x
    x = 107,759,760,814,714,864/505,595,266.64
  6. Step 6: Final answer
    x = 213,134,433.66

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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.