Home / 54,987,672.70-82,285,553.85-47,877,298.30

Finding the Fourth Proportional to 54,987,672.70, 82,285,553.85 and 47,877,298.30

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Solution

The fourth proportional to 54,987,672.70, 82,285,553.85 and 47,877,298.30 is: 71,645,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987,672.70 : 82,285,553.85 = 47,877,298.30 : x
  2. Step 2: Convert to fraction form
    54,987,672.70/82,285,553.85 = 47,877,298.30/x
  3. Step 3: Cross multiply
    54,987,672.70x = 82,285,553.85 × 47,877,298.30
  4. Step 4: Simplify right side
    54,987,672.70x = 3,939,610,007,457,163
  5. Step 5: Solve for x
    x = 3,939,610,007,457,163/54,987,672.70
  6. Step 6: Final answer
    x = 71,645,330.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.