Home / 119,815,106,395.82-165,350,044,319.18-66,351,078,913.82

Finding the Fourth Proportional to 119,815,106,395.82, 165,350,044,319.18 and 66,351,078,913.82

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Solution

The fourth proportional to 119,815,106,395.82, 165,350,044,319.18 and 66,351,078,913.82 is: 91,567,367,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,395.82 : 165,350,044,319.18 = 66,351,078,913.82 : x
  2. Step 2: Convert to fraction form
    119,815,106,395.82/165,350,044,319.18 = 66,351,078,913.82/x
  3. Step 3: Cross multiply
    119,815,106,395.82x = 165,350,044,319.18 × 66,351,078,913.82
  4. Step 4: Simplify right side
    119,815,106,395.82x = 10,971,153,839,025,545,019,392
  5. Step 5: Solve for x
    x = 10,971,153,839,025,545,019,392/119,815,106,395.82
  6. Step 6: Final answer
    x = 91,567,367,163.05

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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.