Home / 265,758,487.12-398,841,198.16-120,294,202.48

Finding the Fourth Proportional to 265,758,487.12, 398,841,198.16 and 120,294,202.48

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Solution

The fourth proportional to 265,758,487.12, 398,841,198.16 and 120,294,202.48 is: 180,533,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,758,487.12 : 398,841,198.16 = 120,294,202.48 : x
  2. Step 2: Convert to fraction form
    265,758,487.12/398,841,198.16 = 120,294,202.48/x
  3. Step 3: Cross multiply
    265,758,487.12x = 398,841,198.16 × 120,294,202.48
  4. Step 4: Simplify right side
    265,758,487.12x = 47,978,283,848,824,848
  5. Step 5: Solve for x
    x = 47,978,283,848,824,848/265,758,487.12
  6. Step 6: Final answer
    x = 180,533,402.22

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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.