Home / 125,989,290.20-188,983,935.30-35,112,879.20

Finding the Fourth Proportional to 125,989,290.20, 188,983,935.30 and 35,112,879.20

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Solution

The fourth proportional to 125,989,290.20, 188,983,935.30 and 35,112,879.20 is: 52,669,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,989,290.20 : 188,983,935.30 = 35,112,879.20 : x
  2. Step 2: Convert to fraction form
    125,989,290.20/188,983,935.30 = 35,112,879.20/x
  3. Step 3: Cross multiply
    125,989,290.20x = 188,983,935.30 × 35,112,879.20
  4. Step 4: Simplify right side
    125,989,290.20x = 6,635,770,090,929,517
  5. Step 5: Solve for x
    x = 6,635,770,090,929,517/125,989,290.20
  6. Step 6: Final answer
    x = 52,669,318.80

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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.