Home / 166,489,826,147.45-229,749,807,899.41-90,364,605,712.62

Finding the Fourth Proportional to 166,489,826,147.45, 229,749,807,899.41 and 90,364,605,712.62

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Solution

The fourth proportional to 166,489,826,147.45, 229,749,807,899.41 and 90,364,605,712.62 is: 124,699,816,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,489,826,147.45 : 229,749,807,899.41 = 90,364,605,712.62 : x
  2. Step 2: Convert to fraction form
    166,489,826,147.45/229,749,807,899.41 = 90,364,605,712.62/x
  3. Step 3: Cross multiply
    166,489,826,147.45x = 229,749,807,899.41 × 90,364,605,712.62
  4. Step 4: Simplify right side
    166,489,826,147.45x = 20,761,250,803,379,913,883,648
  5. Step 5: Solve for x
    x = 20,761,250,803,379,913,883,648/166,489,826,147.45
  6. Step 6: Final answer
    x = 124,699,816,702.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.