Home / 77,964,809.58-117,062,180.37-43,488,571.14

Finding the Fourth Proportional to 77,964,809.58, 117,062,180.37 and 43,488,571.14

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Solution

The fourth proportional to 77,964,809.58, 117,062,180.37 and 43,488,571.14 is: 65,296,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964,809.58 : 117,062,180.37 = 43,488,571.14 : x
  2. Step 2: Convert to fraction form
    77,964,809.58/117,062,180.37 = 43,488,571.14/x
  3. Step 3: Cross multiply
    77,964,809.58x = 117,062,180.37 × 43,488,571.14
  4. Step 4: Simplify right side
    77,964,809.58x = 5,090,866,958,824,257
  5. Step 5: Solve for x
    x = 5,090,866,958,824,257/77,964,809.58
  6. Step 6: Final answer
    x = 65,296,984.45

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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.