Home / 81,639,057.36-112,661,905.26-44,969,628.36

Finding the Fourth Proportional to 81,639,057.36, 112,661,905.26 and 44,969,628.36

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Solution

The fourth proportional to 81,639,057.36, 112,661,905.26 and 44,969,628.36 is: 62,058,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,639,057.36 : 112,661,905.26 = 44,969,628.36 : x
  2. Step 2: Convert to fraction form
    81,639,057.36/112,661,905.26 = 44,969,628.36/x
  3. Step 3: Cross multiply
    81,639,057.36x = 112,661,905.26 × 44,969,628.36
  4. Step 4: Simplify right side
    81,639,057.36x = 5,066,364,009,871,729
  5. Step 5: Solve for x
    x = 5,066,364,009,871,729/81,639,057.36
  6. Step 6: Final answer
    x = 62,058,090.50

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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.