Home / 119,815,106,397.82-165,350,044,321.94-66,351,078,915.82

Finding the Fourth Proportional to 119,815,106,397.82, 165,350,044,321.94 and 66,351,078,915.82

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Solution

The fourth proportional to 119,815,106,397.82, 165,350,044,321.94 and 66,351,078,915.82 is: 91,567,367,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,397.82 : 165,350,044,321.94 = 66,351,078,915.82 : x
  2. Step 2: Convert to fraction form
    119,815,106,397.82/165,350,044,321.94 = 66,351,078,915.82/x
  3. Step 3: Cross multiply
    119,815,106,397.82x = 165,350,044,321.94 × 66,351,078,915.82
  4. Step 4: Simplify right side
    119,815,106,397.82x = 10,971,153,839,539,376,619,520
  5. Step 5: Solve for x
    x = 10,971,153,839,539,376,619,520/119,815,106,397.82
  6. Step 6: Final answer
    x = 91,567,367,165.81

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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.