Home / 165,623,798.66-248,481,786.96-72,258,939.79

Finding the Fourth Proportional to 165,623,798.66, 248,481,786.96 and 72,258,939.79

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Solution

The fourth proportional to 165,623,798.66, 248,481,786.96 and 72,258,939.79 is: 108,408,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623,798.66 : 248,481,786.96 = 72,258,939.79 : x
  2. Step 2: Convert to fraction form
    165,623,798.66/248,481,786.96 = 72,258,939.79/x
  3. Step 3: Cross multiply
    165,623,798.66x = 248,481,786.96 × 72,258,939.79
  4. Step 4: Simplify right side
    165,623,798.66x = 17,955,030,482,233,042
  5. Step 5: Solve for x
    x = 17,955,030,482,233,042/165,623,798.66
  6. Step 6: Final answer
    x = 108,408,517.54

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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.