Home / 265,764,807.20-398,363,775.60-101,939,261.60

Finding the Fourth Proportional to 265,764,807.20, 398,363,775.60 and 101,939,261.60

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Solution

The fourth proportional to 265,764,807.20, 398,363,775.60 and 101,939,261.60 is: 152,800,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,764,807.20 : 398,363,775.60 = 101,939,261.60 : x
  2. Step 2: Convert to fraction form
    265,764,807.20/398,363,775.60 = 101,939,261.60/x
  3. Step 3: Cross multiply
    265,764,807.20x = 398,363,775.60 × 101,939,261.60
  4. Step 4: Simplify right side
    265,764,807.20x = 40,608,909,132,852,096
  5. Step 5: Solve for x
    x = 40,608,909,132,852,096/265,764,807.20
  6. Step 6: Final answer
    x = 152,800,175.32

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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.