Home / 265,964,786.70-398,947,180.05-163,928,114.70

Finding the Fourth Proportional to 265,964,786.70, 398,947,180.05 and 163,928,114.70

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Solution

The fourth proportional to 265,964,786.70, 398,947,180.05 and 163,928,114.70 is: 245,892,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,964,786.70 : 398,947,180.05 = 163,928,114.70 : x
  2. Step 2: Convert to fraction form
    265,964,786.70/398,947,180.05 = 163,928,114.70/x
  3. Step 3: Cross multiply
    265,964,786.70x = 398,947,180.05 × 163,928,114.70
  4. Step 4: Simplify right side
    265,964,786.70x = 65,398,659,090,477,952
  5. Step 5: Solve for x
    x = 65,398,659,090,477,952/265,964,786.70
  6. Step 6: Final answer
    x = 245,892,172.05

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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.