Home / 205,157,874.60-283,120,999.38-112,347,018.36

Finding the Fourth Proportional to 205,157,874.60, 283,120,999.38 and 112,347,018.36

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Solution

The fourth proportional to 205,157,874.60, 283,120,999.38 and 112,347,018.36 is: 155,040,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,157,874.60 : 283,120,999.38 = 112,347,018.36 : x
  2. Step 2: Convert to fraction form
    205,157,874.60/283,120,999.38 = 112,347,018.36/x
  3. Step 3: Cross multiply
    205,157,874.60x = 283,120,999.38 × 112,347,018.36
  4. Step 4: Simplify right side
    205,157,874.60x = 31,807,800,115,446,408
  5. Step 5: Solve for x
    x = 31,807,800,115,446,408/205,157,874.60
  6. Step 6: Final answer
    x = 155,040,600.70

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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.