Home / 80,549,352.48-120,884,201.34-54,580,077.96

Finding the Fourth Proportional to 80,549,352.48, 120,884,201.34 and 54,580,077.96

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Solution

The fourth proportional to 80,549,352.48, 120,884,201.34 and 54,580,077.96 is: 81,910,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549,352.48 : 120,884,201.34 = 54,580,077.96 : x
  2. Step 2: Convert to fraction form
    80,549,352.48/120,884,201.34 = 54,580,077.96/x
  3. Step 3: Cross multiply
    80,549,352.48x = 120,884,201.34 × 54,580,077.96
  4. Step 4: Simplify right side
    80,549,352.48x = 6,597,869,133,269,537
  5. Step 5: Solve for x
    x = 6,597,869,133,269,537/80,549,352.48
  6. Step 6: Final answer
    x = 81,910,889.79

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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.