Home / 110,008,651,801.20-165,012,977,701.80-72,351,380,270.40

Finding the Fourth Proportional to 110,008,651,801.20, 165,012,977,701.80 and 72,351,380,270.40

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Solution

The fourth proportional to 110,008,651,801.20, 165,012,977,701.80 and 72,351,380,270.40 is: 108,527,070,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008,651,801.20 : 165,012,977,701.80 = 72,351,380,270.40 : x
  2. Step 2: Convert to fraction form
    110,008,651,801.20/165,012,977,701.80 = 72,351,380,270.40/x
  3. Step 3: Cross multiply
    110,008,651,801.20x = 165,012,977,701.80 × 72,351,380,270.40
  4. Step 4: Simplify right side
    110,008,651,801.20x = 11,938,916,699,253,965,324,288
  5. Step 5: Solve for x
    x = 11,938,916,699,253,965,324,288/110,008,651,801.20
  6. Step 6: Final answer
    x = 108,527,070,405.60

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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.