Home / 204,681,917.96-307,054,620.67-86,507,176.22

Finding the Fourth Proportional to 204,681,917.96, 307,054,620.67 and 86,507,176.22

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Solution

The fourth proportional to 204,681,917.96, 307,054,620.67 and 86,507,176.22 is: 129,774,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,681,917.96 : 307,054,620.67 = 86,507,176.22 : x
  2. Step 2: Convert to fraction form
    204,681,917.96/307,054,620.67 = 86,507,176.22/x
  3. Step 3: Cross multiply
    204,681,917.96x = 307,054,620.67 × 86,507,176.22
  4. Step 4: Simplify right side
    204,681,917.96x = 26,562,428,178,959,104
  5. Step 5: Solve for x
    x = 26,562,428,178,959,104/204,681,917.96
  6. Step 6: Final answer
    x = 129,774,180.56

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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.