Home / 76,668,489,138.22-115,005,076,573.38-26,303,216,431.66

Finding the Fourth Proportional to 76,668,489,138.22, 115,005,076,573.38 and 26,303,216,431.66

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Solution

The fourth proportional to 76,668,489,138.22, 115,005,076,573.38 and 26,303,216,431.66 is: 39,455,628,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668,489,138.22 : 115,005,076,573.38 = 26,303,216,431.66 : x
  2. Step 2: Convert to fraction form
    76,668,489,138.22/115,005,076,573.38 = 26,303,216,431.66/x
  3. Step 3: Cross multiply
    76,668,489,138.22x = 115,005,076,573.38 × 26,303,216,431.66
  4. Step 4: Simplify right side
    76,668,489,138.22x = 3,025,003,419,849,245,327,360
  5. Step 5: Solve for x
    x = 3,025,003,419,849,245,327,360/76,668,489,138.22
  6. Step 6: Final answer
    x = 39,455,628,431.59

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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.