Home / 265,720,120.20-398,580,180.30-74,243,896.20

Finding the Fourth Proportional to 265,720,120.20, 398,580,180.30 and 74,243,896.20

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Solution

The fourth proportional to 265,720,120.20, 398,580,180.30 and 74,243,896.20 is: 111,365,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,120.20 : 398,580,180.30 = 74,243,896.20 : x
  2. Step 2: Convert to fraction form
    265,720,120.20/398,580,180.30 = 74,243,896.20/x
  3. Step 3: Cross multiply
    265,720,120.20x = 398,580,180.30 × 74,243,896.20
  4. Step 4: Simplify right side
    265,720,120.20x = 29,592,145,533,570,488
  5. Step 5: Solve for x
    x = 29,592,145,533,570,488/265,720,120.20
  6. Step 6: Final answer
    x = 111,365,844.30

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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.