Home / 122,925,383.10-169,634,979.66-67,169,578.63

Finding the Fourth Proportional to 122,925,383.10, 169,634,979.66 and 67,169,578.63

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Solution

The fourth proportional to 122,925,383.10, 169,634,979.66 and 67,169,578.63 is: 92,692,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,925,383.10 : 169,634,979.66 = 67,169,578.63 : x
  2. Step 2: Convert to fraction form
    122,925,383.10/169,634,979.66 = 67,169,578.63/x
  3. Step 3: Cross multiply
    122,925,383.10x = 169,634,979.66 × 67,169,578.63
  4. Step 4: Simplify right side
    122,925,383.10x = 11,394,310,104,670,820
  5. Step 5: Solve for x
    x = 11,394,310,104,670,820/122,925,383.10
  6. Step 6: Final answer
    x = 92,692,898.87

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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.