Home / 118,782,023.40-178,173,035.10-110,172,679.20

Finding the Fourth Proportional to 118,782,023.40, 178,173,035.10 and 110,172,679.20

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Solution

The fourth proportional to 118,782,023.40, 178,173,035.10 and 110,172,679.20 is: 165,259,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,782,023.40 : 178,173,035.10 = 110,172,679.20 : x
  2. Step 2: Convert to fraction form
    118,782,023.40/178,173,035.10 = 110,172,679.20/x
  3. Step 3: Cross multiply
    118,782,023.40x = 178,173,035.10 × 110,172,679.20
  4. Step 4: Simplify right side
    118,782,023.40x = 19,629,800,638,162,640
  5. Step 5: Solve for x
    x = 19,629,800,638,162,640/118,782,023.40
  6. Step 6: Final answer
    x = 165,259,018.80

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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.