Home / 119,815,106,396.50-165,350,044,320.12-66,351,078,914.50

Finding the Fourth Proportional to 119,815,106,396.50, 165,350,044,320.12 and 66,351,078,914.50

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Solution

The fourth proportional to 119,815,106,396.50, 165,350,044,320.12 and 66,351,078,914.50 is: 91,567,367,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,396.50 : 165,350,044,320.12 = 66,351,078,914.50 : x
  2. Step 2: Convert to fraction form
    119,815,106,396.50/165,350,044,320.12 = 66,351,078,914.50/x
  3. Step 3: Cross multiply
    119,815,106,396.50x = 165,350,044,320.12 × 66,351,078,914.50
  4. Step 4: Simplify right side
    119,815,106,396.50x = 10,971,153,839,200,355,221,504
  5. Step 5: Solve for x
    x = 10,971,153,839,200,355,221,504/119,815,106,396.50
  6. Step 6: Final answer
    x = 91,567,367,163.99

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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.