Home / 103,245,071,704.20-154,867,607,556.30-61,300,346,761.80

Finding the Fourth Proportional to 103,245,071,704.20, 154,867,607,556.30 and 61,300,346,761.80

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Solution

The fourth proportional to 103,245,071,704.20, 154,867,607,556.30 and 61,300,346,761.80 is: 91,950,520,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,245,071,704.20 : 154,867,607,556.30 = 61,300,346,761.80 : x
  2. Step 2: Convert to fraction form
    103,245,071,704.20/154,867,607,556.30 = 61,300,346,761.80/x
  3. Step 3: Cross multiply
    103,245,071,704.20x = 154,867,607,556.30 × 61,300,346,761.80
  4. Step 4: Simplify right side
    103,245,071,704.20x = 9,493,438,045,371,546,730,496
  5. Step 5: Solve for x
    x = 9,493,438,045,371,546,730,496/103,245,071,704.20
  6. Step 6: Final answer
    x = 91,950,520,142.70

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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.