Home / 68,172,070,513.35-102,258,105,770.02-28,364,615,268.60

Finding the Fourth Proportional to 68,172,070,513.35, 102,258,105,770.02 and 28,364,615,268.60

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Solution

The fourth proportional to 68,172,070,513.35, 102,258,105,770.02 and 28,364,615,268.60 is: 42,546,922,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172,070,513.35 : 102,258,105,770.02 = 28,364,615,268.60 : x
  2. Step 2: Convert to fraction form
    68,172,070,513.35/102,258,105,770.02 = 28,364,615,268.60/x
  3. Step 3: Cross multiply
    68,172,070,513.35x = 102,258,105,770.02 × 28,364,615,268.60
  4. Step 4: Simplify right side
    68,172,070,513.35x = 2,900,511,828,262,422,839,296
  5. Step 5: Solve for x
    x = 2,900,511,828,262,422,839,296/68,172,070,513.35
  6. Step 6: Final answer
    x = 42,546,922,902.90

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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.