Home / 57,672,021.60-86,508,032.40-30,340,936.80

Finding the Fourth Proportional to 57,672,021.60, 86,508,032.40 and 30,340,936.80

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Solution

The fourth proportional to 57,672,021.60, 86,508,032.40 and 30,340,936.80 is: 45,511,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,021.60 : 86,508,032.40 = 30,340,936.80 : x
  2. Step 2: Convert to fraction form
    57,672,021.60/86,508,032.40 = 30,340,936.80/x
  3. Step 3: Cross multiply
    57,672,021.60x = 86,508,032.40 × 30,340,936.80
  4. Step 4: Simplify right side
    57,672,021.60x = 2,624,734,743,740,752.50
  5. Step 5: Solve for x
    x = 2,624,734,743,740,752.50/57,672,021.60
  6. Step 6: Final answer
    x = 45,511,405.20

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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.