Home / 54,405,005.40-81,607,508.10-51,287,218.20

Finding the Fourth Proportional to 54,405,005.40, 81,607,508.10 and 51,287,218.20

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Solution

The fourth proportional to 54,405,005.40, 81,607,508.10 and 51,287,218.20 is: 76,930,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,005.40 : 81,607,508.10 = 51,287,218.20 : x
  2. Step 2: Convert to fraction form
    54,405,005.40/81,607,508.10 = 51,287,218.20/x
  3. Step 3: Cross multiply
    54,405,005.40x = 81,607,508.10 × 51,287,218.20
  4. Step 4: Simplify right side
    54,405,005.40x = 4,185,422,074,682,967.50
  5. Step 5: Solve for x
    x = 4,185,422,074,682,967.50/54,405,005.40
  6. Step 6: Final answer
    x = 76,930,827.30

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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.