Home / 119,815,106,389.70-165,350,044,310.77-66,351,078,907.71

Finding the Fourth Proportional to 119,815,106,389.70, 165,350,044,310.77 and 66,351,078,907.71

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Solution

The fourth proportional to 119,815,106,389.70, 165,350,044,310.77 and 66,351,078,907.71 is: 91,567,367,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,389.70 : 165,350,044,310.77 = 66,351,078,907.71 : x
  2. Step 2: Convert to fraction form
    119,815,106,389.70/165,350,044,310.77 = 66,351,078,907.71/x
  3. Step 3: Cross multiply
    119,815,106,389.70x = 165,350,044,310.77 × 66,351,078,907.71
  4. Step 4: Simplify right side
    119,815,106,389.70x = 10,971,153,837,456,418,144,256
  5. Step 5: Solve for x
    x = 10,971,153,837,456,418,144,256/119,815,106,389.70
  6. Step 6: Final answer
    x = 91,567,367,154.63

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1.5x scale

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.