Home / 118,877,629.05-178,322,048.64-98,089,509.93

Finding the Fourth Proportional to 118,877,629.05, 178,322,048.64 and 98,089,509.93

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Solution

The fourth proportional to 118,877,629.05, 178,322,048.64 and 98,089,509.93 is: 147,138,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877,629.05 : 178,322,048.64 = 98,089,509.93 : x
  2. Step 2: Convert to fraction form
    118,877,629.05/178,322,048.64 = 98,089,509.93/x
  3. Step 3: Cross multiply
    118,877,629.05x = 178,322,048.64 × 98,089,509.93
  4. Step 4: Simplify right side
    118,877,629.05x = 17,491,522,360,231,178
  5. Step 5: Solve for x
    x = 17,491,522,360,231,178/118,877,629.05
  6. Step 6: Final answer
    x = 147,138,889.80

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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.