Home / 54,997,738.10-82,483,808.91-20,470,400.58

Finding the Fourth Proportional to 54,997,738.10, 82,483,808.91 and 20,470,400.58

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Solution

The fourth proportional to 54,997,738.10, 82,483,808.91 and 20,470,400.58 is: 30,700,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,997,738.10 : 82,483,808.91 = 20,470,400.58 : x
  2. Step 2: Convert to fraction form
    54,997,738.10/82,483,808.91 = 20,470,400.58/x
  3. Step 3: Cross multiply
    54,997,738.10x = 82,483,808.91 × 20,470,400.58
  4. Step 4: Simplify right side
    54,997,738.10x = 1,688,476,609,751,873
  5. Step 5: Solve for x
    x = 1,688,476,609,751,873/54,997,738.10
  6. Step 6: Final answer
    x = 30,700,837.31

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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.