Home / 110,173,992.40-165,072,031.80-52,542,168.40

Finding the Fourth Proportional to 110,173,992.40, 165,072,031.80 and 52,542,168.40

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Solution

The fourth proportional to 110,173,992.40, 165,072,031.80 and 52,542,168.40 is: 78,723,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,173,992.40 : 165,072,031.80 = 52,542,168.40 : x
  2. Step 2: Convert to fraction form
    110,173,992.40/165,072,031.80 = 52,542,168.40/x
  3. Step 3: Cross multiply
    110,173,992.40x = 165,072,031.80 × 52,542,168.40
  4. Step 4: Simplify right side
    110,173,992.40x = 8,673,242,492,965,756
  5. Step 5: Solve for x
    x = 8,673,242,492,965,756/110,173,992.40
  6. Step 6: Final answer
    x = 78,723,138.77

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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.