Home / 116,006,021.01-160,042,999.82-66,419,893.89

Finding the Fourth Proportional to 116,006,021.01, 160,042,999.82 and 66,419,893.89

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Solution

The fourth proportional to 116,006,021.01, 160,042,999.82 and 66,419,893.89 is: 91,633,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006,021.01 : 160,042,999.82 = 66,419,893.89 : x
  2. Step 2: Convert to fraction form
    116,006,021.01/160,042,999.82 = 66,419,893.89/x
  3. Step 3: Cross multiply
    116,006,021.01x = 160,042,999.82 × 66,419,893.89
  4. Step 4: Simplify right side
    116,006,021.01x = 10,630,039,065,549,590
  5. Step 5: Solve for x
    x = 10,630,039,065,549,590/116,006,021.01
  6. Step 6: Final answer
    x = 91,633,511.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.