Home / 110,008,651,500.45-165,012,977,250.67-72,351,379,969.65

Finding the Fourth Proportional to 110,008,651,500.45, 165,012,977,250.67 and 72,351,379,969.65

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Solution

The fourth proportional to 110,008,651,500.45, 165,012,977,250.67 and 72,351,379,969.65 is: 108,527,069,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008,651,500.45 : 165,012,977,250.67 = 72,351,379,969.65 : x
  2. Step 2: Convert to fraction form
    110,008,651,500.45/165,012,977,250.67 = 72,351,379,969.65/x
  3. Step 3: Cross multiply
    110,008,651,500.45x = 165,012,977,250.67 × 72,351,379,969.65
  4. Step 4: Simplify right side
    110,008,651,500.45x = 11,938,916,616,986,435,780,608
  5. Step 5: Solve for x
    x = 11,938,916,616,986,435,780,608/110,008,651,500.45
  6. Step 6: Final answer
    x = 108,527,069,954.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.