Home / 68,172,070,507.60-102,258,105,761.40-28,364,615,262.85

Finding the Fourth Proportional to 68,172,070,507.60, 102,258,105,761.40 and 28,364,615,262.85

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Solution

The fourth proportional to 68,172,070,507.60, 102,258,105,761.40 and 28,364,615,262.85 is: 42,546,922,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172,070,507.60 : 102,258,105,761.40 = 28,364,615,262.85 : x
  2. Step 2: Convert to fraction form
    68,172,070,507.60/102,258,105,761.40 = 28,364,615,262.85/x
  3. Step 3: Cross multiply
    68,172,070,507.60x = 102,258,105,761.40 × 28,364,615,262.85
  4. Step 4: Simplify right side
    68,172,070,507.60x = 2,900,511,827,429,935,808,512
  5. Step 5: Solve for x
    x = 2,900,511,827,429,935,808,512/68,172,070,507.60
  6. Step 6: Final answer
    x = 42,546,922,894.28

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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.