Home / 345,654,687.60-518,415,676.20-103,325,497.20

Finding the Fourth Proportional to 345,654,687.60, 518,415,676.20 and 103,325,497.20

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Solution

The fourth proportional to 345,654,687.60, 518,415,676.20 and 103,325,497.20 is: 154,968,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,654,687.60 : 518,415,676.20 = 103,325,497.20 : x
  2. Step 2: Convert to fraction form
    345,654,687.60/518,415,676.20 = 103,325,497.20/x
  3. Step 3: Cross multiply
    345,654,687.60x = 518,415,676.20 × 103,325,497.20
  4. Step 4: Simplify right side
    345,654,687.60x = 53,565,557,499,639,208
  5. Step 5: Solve for x
    x = 53,565,557,499,639,208/345,654,687.60
  6. Step 6: Final answer
    x = 154,968,410.44

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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.