Home / 172,511,396.20-258,692,444.70-70,241,444.20

Finding the Fourth Proportional to 172,511,396.20, 258,692,444.70 and 70,241,444.20

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Solution

The fourth proportional to 172,511,396.20, 258,692,444.70 and 70,241,444.20 is: 105,331,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,511,396.20 : 258,692,444.70 = 70,241,444.20 : x
  2. Step 2: Convert to fraction form
    172,511,396.20/258,692,444.70 = 70,241,444.20/x
  3. Step 3: Cross multiply
    172,511,396.20x = 258,692,444.70 × 70,241,444.20
  4. Step 4: Simplify right side
    172,511,396.20x = 18,170,930,919,356,636
  5. Step 5: Solve for x
    x = 18,170,930,919,356,636/172,511,396.20
  6. Step 6: Final answer
    x = 105,331,771.23

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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.