Home / 136,219,319.53-188,089,769.55-109,673,349.13

Finding the Fourth Proportional to 136,219,319.53, 188,089,769.55 and 109,673,349.13

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Solution

The fourth proportional to 136,219,319.53, 188,089,769.55 and 109,673,349.13 is: 151,435,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,219,319.53 : 188,089,769.55 = 109,673,349.13 : x
  2. Step 2: Convert to fraction form
    136,219,319.53/188,089,769.55 = 109,673,349.13/x
  3. Step 3: Cross multiply
    136,219,319.53x = 188,089,769.55 × 109,673,349.13
  4. Step 4: Simplify right side
    136,219,319.53x = 20,628,434,962,149,576
  5. Step 5: Solve for x
    x = 20,628,434,962,149,576/136,219,319.53
  6. Step 6: Final answer
    x = 151,435,457.42

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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.