Home / 54,301,999.40-81,451,155.90-13,912,879.40

Finding the Fourth Proportional to 54,301,999.40, 81,451,155.90 and 13,912,879.40

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Solution

The fourth proportional to 54,301,999.40, 81,451,155.90 and 13,912,879.40 is: 20,868,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301,999.40 : 81,451,155.90 = 13,912,879.40 : x
  2. Step 2: Convert to fraction form
    54,301,999.40/81,451,155.90 = 13,912,879.40/x
  3. Step 3: Cross multiply
    54,301,999.40x = 81,451,155.90 × 13,912,879.40
  4. Step 4: Simplify right side
    54,301,999.40x = 1,133,220,109,027,298.50
  5. Step 5: Solve for x
    x = 1,133,220,109,027,298.50/54,301,999.40
  6. Step 6: Final answer
    x = 20,868,846.85

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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.