Home / 54,320,305.20-81,480,457.80-28,811,137.20

Finding the Fourth Proportional to 54,320,305.20, 81,480,457.80 and 28,811,137.20

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Solution

The fourth proportional to 54,320,305.20, 81,480,457.80 and 28,811,137.20 is: 43,216,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320,305.20 : 81,480,457.80 = 28,811,137.20 : x
  2. Step 2: Convert to fraction form
    54,320,305.20/81,480,457.80 = 28,811,137.20/x
  3. Step 3: Cross multiply
    54,320,305.20x = 81,480,457.80 × 28,811,137.20
  4. Step 4: Simplify right side
    54,320,305.20x = 2,347,544,648,794,610
  5. Step 5: Solve for x
    x = 2,347,544,648,794,610/54,320,305.20
  6. Step 6: Final answer
    x = 43,216,705.80

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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.