Home / 98,876,361.60-148,314,542.40-82,080,201.60

Finding the Fourth Proportional to 98,876,361.60, 148,314,542.40 and 82,080,201.60

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Solution

The fourth proportional to 98,876,361.60, 148,314,542.40 and 82,080,201.60 is: 123,120,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,876,361.60 : 148,314,542.40 = 82,080,201.60 : x
  2. Step 2: Convert to fraction form
    98,876,361.60/148,314,542.40 = 82,080,201.60/x
  3. Step 3: Cross multiply
    98,876,361.60x = 148,314,542.40 × 82,080,201.60
  4. Step 4: Simplify right side
    98,876,361.60x = 12,173,687,540,403,748
  5. Step 5: Solve for x
    x = 12,173,687,540,403,748/98,876,361.60
  6. Step 6: Final answer
    x = 123,120,302.40

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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.