Home / 101,971,446,164.18-140,721,033,195.24-55,622,883,454.59

Finding the Fourth Proportional to 101,971,446,164.18, 140,721,033,195.24 and 55,622,883,454.59

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Solution

The fourth proportional to 101,971,446,164.18, 140,721,033,195.24 and 55,622,883,454.59 is: 76,759,817,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971,446,164.18 : 140,721,033,195.24 = 55,622,883,454.59 : x
  2. Step 2: Convert to fraction form
    101,971,446,164.18/140,721,033,195.24 = 55,622,883,454.59/x
  3. Step 3: Cross multiply
    101,971,446,164.18x = 140,721,033,195.24 × 55,622,883,454.59
  4. Step 4: Simplify right side
    101,971,446,164.18x = 7,827,309,629,028,323,819,520
  5. Step 5: Solve for x
    x = 7,827,309,629,028,323,819,520/101,971,446,164.18
  6. Step 6: Final answer
    x = 76,759,817,806.51

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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.