Home / 53,991,295.70-80,994,047.55-19,936,562.90

Finding the Fourth Proportional to 53,991,295.70, 80,994,047.55 and 19,936,562.90

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Solution

The fourth proportional to 53,991,295.70, 80,994,047.55 and 19,936,562.90 is: 29,907,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,991,295.70 : 80,994,047.55 = 19,936,562.90 : x
  2. Step 2: Convert to fraction form
    53,991,295.70/80,994,047.55 = 19,936,562.90/x
  3. Step 3: Cross multiply
    53,991,295.70x = 80,994,047.55 × 19,936,562.90
  4. Step 4: Simplify right side
    53,991,295.70x = 1,614,742,923,506,165.75
  5. Step 5: Solve for x
    x = 1,614,742,923,506,165.75/53,991,295.70
  6. Step 6: Final answer
    x = 29,907,467.54

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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.