Home / 54,916,478.48-82,379,558.64-20,373,280.40

Finding the Fourth Proportional to 54,916,478.48, 82,379,558.64 and 20,373,280.40

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Solution

The fourth proportional to 54,916,478.48, 82,379,558.64 and 20,373,280.40 is: 30,561,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916,478.48 : 82,379,558.64 = 20,373,280.40 : x
  2. Step 2: Convert to fraction form
    54,916,478.48/82,379,558.64 = 20,373,280.40/x
  3. Step 3: Cross multiply
    54,916,478.48x = 82,379,558.64 × 20,373,280.40
  4. Step 4: Simplify right side
    54,916,478.48x = 1,678,341,847,400,962.50
  5. Step 5: Solve for x
    x = 1,678,341,847,400,962.50/54,916,478.48
  6. Step 6: Final answer
    x = 30,561,716.52

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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.