Home / 81,296,183,465.88-121,902,404,733-36,489,268,315.56

Finding the Fourth Proportional to 81,296,183,465.88, 121,902,404,733 and 36,489,268,315.56

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Solution

The fourth proportional to 81,296,183,465.88, 121,902,404,733 and 36,489,268,315.56 is: 54,715,109,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296,183,465.88 : 121,902,404,733 = 36,489,268,315.56 : x
  2. Step 2: Convert to fraction form
    81,296,183,465.88/121,902,404,733 = 36,489,268,315.56/x
  3. Step 3: Cross multiply
    81,296,183,465.88x = 121,902,404,733 × 36,489,268,315.56
  4. Step 4: Simplify right side
    81,296,183,465.88x = 4,448,129,554,614,428,106,752
  5. Step 5: Solve for x
    x = 4,448,129,554,614,428,106,752/81,296,183,465.88
  6. Step 6: Final answer
    x = 54,715,109,184.45

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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.