Home / 54,289,815.20-81,446,532.60-17,892,011.60

Finding the Fourth Proportional to 54,289,815.20, 81,446,532.60 and 17,892,011.60

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Solution

The fourth proportional to 54,289,815.20, 81,446,532.60 and 17,892,011.60 is: 26,841,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289,815.20 : 81,446,532.60 = 17,892,011.60 : x
  2. Step 2: Convert to fraction form
    54,289,815.20/81,446,532.60 = 17,892,011.60/x
  3. Step 3: Cross multiply
    54,289,815.20x = 81,446,532.60 × 17,892,011.60
  4. Step 4: Simplify right side
    54,289,815.20x = 1,457,242,306,058,978.25
  5. Step 5: Solve for x
    x = 1,457,242,306,058,978.25/54,289,815.20
  6. Step 6: Final answer
    x = 26,841,909.49

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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.