Home / 128,077,892,827.03-192,138,438,111.39-43,067,479,317.94

Finding the Fourth Proportional to 128,077,892,827.03, 192,138,438,111.39 and 43,067,479,317.94

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Solution

The fourth proportional to 128,077,892,827.03, 192,138,438,111.39 and 43,067,479,317.94 is: 64,608,481,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,077,892,827.03 : 192,138,438,111.39 = 43,067,479,317.94 : x
  2. Step 2: Convert to fraction form
    128,077,892,827.03/192,138,438,111.39 = 43,067,479,317.94/x
  3. Step 3: Cross multiply
    128,077,892,827.03x = 192,138,438,111.39 × 43,067,479,317.94
  4. Step 4: Simplify right side
    128,077,892,827.03x = 8,274,918,209,544,352,956,416
  5. Step 5: Solve for x
    x = 8,274,918,209,544,352,956,416/128,077,892,827.03
  6. Step 6: Final answer
    x = 64,608,481,814.42

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1.5x scale

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.