Home / 193,089,739.20-289,634,608.80-111,460,401.60

Finding the Fourth Proportional to 193,089,739.20, 289,634,608.80 and 111,460,401.60

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Solution

The fourth proportional to 193,089,739.20, 289,634,608.80 and 111,460,401.60 is: 167,190,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,089,739.20 : 289,634,608.80 = 111,460,401.60 : x
  2. Step 2: Convert to fraction form
    193,089,739.20/289,634,608.80 = 111,460,401.60/x
  3. Step 3: Cross multiply
    193,089,739.20x = 289,634,608.80 × 111,460,401.60
  4. Step 4: Simplify right side
    193,089,739.20x = 32,282,789,814,106,892
  5. Step 5: Solve for x
    x = 32,282,789,814,106,892/193,089,739.20
  6. Step 6: Final answer
    x = 167,190,602.40

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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.