Home / 119,815,106,371.45-165,350,044,285.58-66,351,078,889.44

Finding the Fourth Proportional to 119,815,106,371.45, 165,350,044,285.58 and 66,351,078,889.44

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Solution

The fourth proportional to 119,815,106,371.45, 165,350,044,285.58 and 66,351,078,889.44 is: 91,567,367,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,371.45 : 165,350,044,285.58 = 66,351,078,889.44 : x
  2. Step 2: Convert to fraction form
    119,815,106,371.45/165,350,044,285.58 = 66,351,078,889.44/x
  3. Step 3: Cross multiply
    119,815,106,371.45x = 165,350,044,285.58 × 66,351,078,889.44
  4. Step 4: Simplify right side
    119,815,106,371.45x = 10,971,153,832,765,412,081,664
  5. Step 5: Solve for x
    x = 10,971,153,832,765,412,081,664/119,815,106,371.45
  6. Step 6: Final answer
    x = 91,567,367,129.42

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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.