Home / 110,509,016.31-165,878,496-81,395,727.03

Finding the Fourth Proportional to 110,509,016.31, 165,878,496 and 81,395,727.03

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Solution

The fourth proportional to 110,509,016.31, 165,878,496 and 81,395,727.03 is: 122,178,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,509,016.31 : 165,878,496 = 81,395,727.03 : x
  2. Step 2: Convert to fraction form
    110,509,016.31/165,878,496 = 81,395,727.03/x
  3. Step 3: Cross multiply
    110,509,016.31x = 165,878,496 × 81,395,727.03
  4. Step 4: Simplify right side
    110,509,016.31x = 13,501,800,780,562,948
  5. Step 5: Solve for x
    x = 13,501,800,780,562,948/110,509,016.31
  6. Step 6: Final answer
    x = 122,178,273.15

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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.