Home / 81,055,686,445.82-121,559,051,049.87-24,380,504,314.80

Finding the Fourth Proportional to 81,055,686,445.82, 121,559,051,049.87 and 24,380,504,314.80

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Solution

The fourth proportional to 81,055,686,445.82, 121,559,051,049.87 and 24,380,504,314.80 is: 36,563,393,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,055,686,445.82 : 121,559,051,049.87 = 24,380,504,314.80 : x
  2. Step 2: Convert to fraction form
    81,055,686,445.82/121,559,051,049.87 = 24,380,504,314.80/x
  3. Step 3: Cross multiply
    81,055,686,445.82x = 121,559,051,049.87 × 24,380,504,314.80
  4. Step 4: Simplify right side
    81,055,686,445.82x = 2,963,670,968,623,984,279,552
  5. Step 5: Solve for x
    x = 2,963,670,968,623,984,279,552/81,055,686,445.82
  6. Step 6: Final answer
    x = 36,563,393,619.58

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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.