Home / 54,985,511.70-82,478,267.55-16,648,932.60

Finding the Fourth Proportional to 54,985,511.70, 82,478,267.55 and 16,648,932.60

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Solution

The fourth proportional to 54,985,511.70, 82,478,267.55 and 16,648,932.60 is: 24,973,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985,511.70 : 82,478,267.55 = 16,648,932.60 : x
  2. Step 2: Convert to fraction form
    54,985,511.70/82,478,267.55 = 16,648,932.60/x
  3. Step 3: Cross multiply
    54,985,511.70x = 82,478,267.55 × 16,648,932.60
  4. Step 4: Simplify right side
    54,985,511.70x = 1,373,175,117,404,717
  5. Step 5: Solve for x
    x = 1,373,175,117,404,717/54,985,511.70
  6. Step 6: Final answer
    x = 24,973,398.90

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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.