Home / 66,553,813.78-91,849,015.67-36,783,821.41

Finding the Fourth Proportional to 66,553,813.78, 91,849,015.67 and 36,783,821.41

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Solution

The fourth proportional to 66,553,813.78, 91,849,015.67 and 36,783,821.41 is: 50,764,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553,813.78 : 91,849,015.67 = 36,783,821.41 : x
  2. Step 2: Convert to fraction form
    66,553,813.78/91,849,015.67 = 36,783,821.41/x
  3. Step 3: Cross multiply
    66,553,813.78x = 91,849,015.67 × 36,783,821.41
  4. Step 4: Simplify right side
    66,553,813.78x = 3,378,557,788,676,030
  5. Step 5: Solve for x
    x = 3,378,557,788,676,030/66,553,813.78
  6. Step 6: Final answer
    x = 50,764,300.30

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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.