Home / 161,325,540,271.44-222,648,767,671.02-91,818,080,878.26

Finding the Fourth Proportional to 161,325,540,271.44, 222,648,767,671.02 and 91,818,080,878.26

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Solution

The fourth proportional to 161,325,540,271.44, 222,648,767,671.02 and 91,818,080,878.26 is: 126,720,062,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,325,540,271.44 : 222,648,767,671.02 = 91,818,080,878.26 : x
  2. Step 2: Convert to fraction form
    161,325,540,271.44/222,648,767,671.02 = 91,818,080,878.26/x
  3. Step 3: Cross multiply
    161,325,540,271.44x = 222,648,767,671.02 × 91,818,080,878.26
  4. Step 4: Simplify right side
    161,325,540,271.44x = 20,443,182,557,462,630,760,448
  5. Step 5: Solve for x
    x = 20,443,182,557,462,630,760,448/161,325,540,271.44
  6. Step 6: Final answer
    x = 126,720,062,570.79

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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.