Home / 82,538,932.80-113,783,673.60-57,681,944.40

Finding the Fourth Proportional to 82,538,932.80, 113,783,673.60 and 57,681,944.40

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Solution

The fourth proportional to 82,538,932.80, 113,783,673.60 and 57,681,944.40 is: 79,517,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,538,932.80 : 113,783,673.60 = 57,681,944.40 : x
  2. Step 2: Convert to fraction form
    82,538,932.80/113,783,673.60 = 57,681,944.40/x
  3. Step 3: Cross multiply
    82,538,932.80x = 113,783,673.60 × 57,681,944.40
  4. Step 4: Simplify right side
    82,538,932.80x = 6,563,263,534,222,947
  5. Step 5: Solve for x
    x = 6,563,263,534,222,947/82,538,932.80
  6. Step 6: Final answer
    x = 79,517,184.33

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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.