Home / 148,617,016.09-205,091,961.26-82,537,514.32

Finding the Fourth Proportional to 148,617,016.09, 205,091,961.26 and 82,537,514.32

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Solution

The fourth proportional to 148,617,016.09, 205,091,961.26 and 82,537,514.32 is: 113,902,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,617,016.09 : 205,091,961.26 = 82,537,514.32 : x
  2. Step 2: Convert to fraction form
    148,617,016.09/205,091,961.26 = 82,537,514.32/x
  3. Step 3: Cross multiply
    148,617,016.09x = 205,091,961.26 × 82,537,514.32
  4. Step 4: Simplify right side
    148,617,016.09x = 16,927,780,689,414,132
  5. Step 5: Solve for x
    x = 16,927,780,689,414,132/148,617,016.09
  6. Step 6: Final answer
    x = 113,902,035.82

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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.