Home / 55,899,107.46-77,171,047.65-39,205,114.38

Finding the Fourth Proportional to 55,899,107.46, 77,171,047.65 and 39,205,114.38

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Solution

The fourth proportional to 55,899,107.46, 77,171,047.65 and 39,205,114.38 is: 54,124,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,899,107.46 : 77,171,047.65 = 39,205,114.38 : x
  2. Step 2: Convert to fraction form
    55,899,107.46/77,171,047.65 = 39,205,114.38/x
  3. Step 3: Cross multiply
    55,899,107.46x = 77,171,047.65 × 39,205,114.38
  4. Step 4: Simplify right side
    55,899,107.46x = 3,025,499,749,942,680.50
  5. Step 5: Solve for x
    x = 3,025,499,749,942,680.50/55,899,107.46
  6. Step 6: Final answer
    x = 54,124,294.42

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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.