Home / 216,728,978,802.12-299,018,515,412.31-125,244,200,676.36

Finding the Fourth Proportional to 216,728,978,802.12, 299,018,515,412.31 and 125,244,200,676.36

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Solution

The fourth proportional to 216,728,978,802.12, 299,018,515,412.31 and 125,244,200,676.36 is: 172,798,004,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,728,978,802.12 : 299,018,515,412.31 = 125,244,200,676.36 : x
  2. Step 2: Convert to fraction form
    216,728,978,802.12/299,018,515,412.31 = 125,244,200,676.36/x
  3. Step 3: Cross multiply
    216,728,978,802.12x = 299,018,515,412.31 × 125,244,200,676.36
  4. Step 4: Simplify right side
    216,728,978,802.12x = 37,450,334,950,246,597,001,216
  5. Step 5: Solve for x
    x = 37,450,334,950,246,597,001,216/216,728,978,802.12
  6. Step 6: Final answer
    x = 172,798,004,019.76

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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.