Home / 148,565,736.82-205,027,120.05-82,486,238.32

Finding the Fourth Proportional to 148,565,736.82, 205,027,120.05 and 82,486,238.32

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Solution

The fourth proportional to 148,565,736.82, 205,027,120.05 and 82,486,238.32 is: 113,834,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,565,736.82 : 205,027,120.05 = 82,486,238.32 : x
  2. Step 2: Convert to fraction form
    148,565,736.82/205,027,120.05 = 82,486,238.32/x
  3. Step 3: Cross multiply
    148,565,736.82x = 205,027,120.05 × 82,486,238.32
  4. Step 4: Simplify right side
    148,565,736.82x = 16,911,915,886,507,550
  5. Step 5: Solve for x
    x = 16,911,915,886,507,550/148,565,736.82
  6. Step 6: Final answer
    x = 113,834,564.07

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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.