Home / 90,598,348,912.68-125,079,288,012.45-80,546,018,985.27

Finding the Fourth Proportional to 90,598,348,912.68, 125,079,288,012.45 and 80,546,018,985.27

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Solution

The fourth proportional to 90,598,348,912.68, 125,079,288,012.45 and 80,546,018,985.27 is: 111,201,129,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598,348,912.68 : 125,079,288,012.45 = 80,546,018,985.27 : x
  2. Step 2: Convert to fraction form
    90,598,348,912.68/125,079,288,012.45 = 80,546,018,985.27/x
  3. Step 3: Cross multiply
    90,598,348,912.68x = 125,079,288,012.45 × 80,546,018,985.27
  4. Step 4: Simplify right side
    90,598,348,912.68x = 10,074,638,706,914,852,077,568
  5. Step 5: Solve for x
    x = 10,074,638,706,914,852,077,568/90,598,348,912.68
  6. Step 6: Final answer
    x = 111,201,129,246.02

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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.