Home / 265,609,820.20-398,414,730.30-83,833,378.60

Finding the Fourth Proportional to 265,609,820.20, 398,414,730.30 and 83,833,378.60

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Solution

The fourth proportional to 265,609,820.20, 398,414,730.30 and 83,833,378.60 is: 125,750,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,609,820.20 : 398,414,730.30 = 83,833,378.60 : x
  2. Step 2: Convert to fraction form
    265,609,820.20/398,414,730.30 = 83,833,378.60/x
  3. Step 3: Cross multiply
    265,609,820.20x = 398,414,730.30 × 83,833,378.60
  4. Step 4: Simplify right side
    265,609,820.20x = 33,400,452,925,056,792
  5. Step 5: Solve for x
    x = 33,400,452,925,056,792/265,609,820.20
  6. Step 6: Final answer
    x = 125,750,067.90

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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.