Home / 265,733,095.80-398,599,643.70-196,858,342.20

Finding the Fourth Proportional to 265,733,095.80, 398,599,643.70 and 196,858,342.20

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Solution

The fourth proportional to 265,733,095.80, 398,599,643.70 and 196,858,342.20 is: 295,287,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,733,095.80 : 398,599,643.70 = 196,858,342.20 : x
  2. Step 2: Convert to fraction form
    265,733,095.80/398,599,643.70 = 196,858,342.20/x
  3. Step 3: Cross multiply
    265,733,095.80x = 398,599,643.70 × 196,858,342.20
  4. Step 4: Simplify right side
    265,733,095.80x = 78,467,665,060,292,672
  5. Step 5: Solve for x
    x = 78,467,665,060,292,672/265,733,095.80
  6. Step 6: Final answer
    x = 295,287,513.30

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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.