Home / 180,435,140.37-270,766,564.74-76,804,180.20

Finding the Fourth Proportional to 180,435,140.37, 270,766,564.74 and 76,804,180.20

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Solution

The fourth proportional to 180,435,140.37, 270,766,564.74 and 76,804,180.20 is: 115,254,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,435,140.37 : 270,766,564.74 = 76,804,180.20 : x
  2. Step 2: Convert to fraction form
    180,435,140.37/270,766,564.74 = 76,804,180.20/x
  3. Step 3: Cross multiply
    180,435,140.37x = 270,766,564.74 × 76,804,180.20
  4. Step 4: Simplify right side
    180,435,140.37x = 20,796,004,030,425,928
  5. Step 5: Solve for x
    x = 20,796,004,030,425,928/180,435,140.37
  6. Step 6: Final answer
    x = 115,254,733.57

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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.