Home / 161,325,540,314.10-222,648,767,729.80-91,818,080,921.45

Finding the Fourth Proportional to 161,325,540,314.10, 222,648,767,729.80 and 91,818,080,921.45

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Solution

The fourth proportional to 161,325,540,314.10, 222,648,767,729.80 and 91,818,080,921.45 is: 126,720,062,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,325,540,314.10 : 222,648,767,729.80 = 91,818,080,921.45 : x
  2. Step 2: Convert to fraction form
    161,325,540,314.10/222,648,767,729.80 = 91,818,080,921.45/x
  3. Step 3: Cross multiply
    161,325,540,314.10x = 222,648,767,729.80 × 91,818,080,921.45
  4. Step 4: Simplify right side
    161,325,540,314.10x = 20,443,182,572,474,787,168,256
  5. Step 5: Solve for x
    x = 20,443,182,572,474,787,168,256/161,325,540,314.10
  6. Step 6: Final answer
    x = 126,720,062,630.33

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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.