Home / 91,107,015.39-125,613,633.96-76,040,892.63

Finding the Fourth Proportional to 91,107,015.39, 125,613,633.96 and 76,040,892.63

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Solution

The fourth proportional to 91,107,015.39, 125,613,633.96 and 76,040,892.63 is: 104,841,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107,015.39 : 125,613,633.96 = 76,040,892.63 : x
  2. Step 2: Convert to fraction form
    91,107,015.39/125,613,633.96 = 76,040,892.63/x
  3. Step 3: Cross multiply
    91,107,015.39x = 125,613,633.96 × 76,040,892.63
  4. Step 4: Simplify right side
    91,107,015.39x = 9,551,772,852,816,480
  5. Step 5: Solve for x
    x = 9,551,772,852,816,480/91,107,015.39
  6. Step 6: Final answer
    x = 104,841,244.24

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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.