Home / 56,685,954.80-85,028,932.20-45,348,546.80

Finding the Fourth Proportional to 56,685,954.80, 85,028,932.20 and 45,348,546.80

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Solution

The fourth proportional to 56,685,954.80, 85,028,932.20 and 45,348,546.80 is: 68,022,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,954.80 : 85,028,932.20 = 45,348,546.80 : x
  2. Step 2: Convert to fraction form
    56,685,954.80/85,028,932.20 = 45,348,546.80/x
  3. Step 3: Cross multiply
    56,685,954.80x = 85,028,932.20 × 45,348,546.80
  4. Step 4: Simplify right side
    56,685,954.80x = 3,855,938,511,225,727
  5. Step 5: Solve for x
    x = 3,855,938,511,225,727/56,685,954.80
  6. Step 6: Final answer
    x = 68,022,820.20

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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.