Home / 173,856,242.72-239,821,709.52-108,552,772.64

Finding the Fourth Proportional to 173,856,242.72, 239,821,709.52 and 108,552,772.64

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Solution

The fourth proportional to 173,856,242.72, 239,821,709.52 and 108,552,772.64 is: 149,740,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,856,242.72 : 239,821,709.52 = 108,552,772.64 : x
  2. Step 2: Convert to fraction form
    173,856,242.72/239,821,709.52 = 108,552,772.64/x
  3. Step 3: Cross multiply
    173,856,242.72x = 239,821,709.52 × 108,552,772.64
  4. Step 4: Simplify right side
    173,856,242.72x = 26,033,311,507,660,684
  5. Step 5: Solve for x
    x = 26,033,311,507,660,684/173,856,242.72
  6. Step 6: Final answer
    x = 149,740,447.05

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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.