Home / 54,641,676.20-81,994,007.10-20,587,461.80

Finding the Fourth Proportional to 54,641,676.20, 81,994,007.10 and 20,587,461.80

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Solution

The fourth proportional to 54,641,676.20, 81,994,007.10 and 20,587,461.80 is: 30,893,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641,676.20 : 81,994,007.10 = 20,587,461.80 : x
  2. Step 2: Convert to fraction form
    54,641,676.20/81,994,007.10 = 20,587,461.80/x
  3. Step 3: Cross multiply
    54,641,676.20x = 81,994,007.10 × 20,587,461.80
  4. Step 4: Simplify right side
    54,641,676.20x = 1,688,048,489,000,178.75
  5. Step 5: Solve for x
    x = 1,688,048,489,000,178.75/54,641,676.20
  6. Step 6: Final answer
    x = 30,893,058.31

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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.