Home / 130,800,771.54-180,505,235.70-71,261,771.76

Finding the Fourth Proportional to 130,800,771.54, 180,505,235.70 and 71,261,771.76

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Solution

The fourth proportional to 130,800,771.54, 180,505,235.70 and 71,261,771.76 is: 98,341,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800,771.54 : 180,505,235.70 = 71,261,771.76 : x
  2. Step 2: Convert to fraction form
    130,800,771.54/180,505,235.70 = 71,261,771.76/x
  3. Step 3: Cross multiply
    130,800,771.54x = 180,505,235.70 × 71,261,771.76
  4. Step 4: Simplify right side
    130,800,771.54x = 12,863,122,907,938,404
  5. Step 5: Solve for x
    x = 12,863,122,907,938,404/130,800,771.54
  6. Step 6: Final answer
    x = 98,341,338.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.