Home / 265,758,455.41-398,841,150.66-120,294,170.84

Finding the Fourth Proportional to 265,758,455.41, 398,841,150.66 and 120,294,170.84

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Solution

The fourth proportional to 265,758,455.41, 398,841,150.66 and 120,294,170.84 is: 180,533,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,758,455.41 : 398,841,150.66 = 120,294,170.84 : x
  2. Step 2: Convert to fraction form
    265,758,455.41/398,841,150.66 = 120,294,170.84/x
  3. Step 3: Cross multiply
    265,758,455.41x = 398,841,150.66 × 120,294,170.84
  4. Step 4: Simplify right side
    265,758,455.41x = 47,978,265,515,516,224
  5. Step 5: Solve for x
    x = 47,978,265,515,516,224/265,758,455.41
  6. Step 6: Final answer
    x = 180,533,354.78

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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.