Home / 101,821,822.46-140,543,724.46-66,544,934.32

Finding the Fourth Proportional to 101,821,822.46, 140,543,724.46 and 66,544,934.32

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Solution

The fourth proportional to 101,821,822.46, 140,543,724.46 and 66,544,934.32 is: 91,851,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,821,822.46 : 140,543,724.46 = 66,544,934.32 : x
  2. Step 2: Convert to fraction form
    101,821,822.46/140,543,724.46 = 66,544,934.32/x
  3. Step 3: Cross multiply
    101,821,822.46x = 140,543,724.46 × 66,544,934.32
  4. Step 4: Simplify right side
    101,821,822.46x = 9,352,472,913,278,878
  5. Step 5: Solve for x
    x = 9,352,472,913,278,878/101,821,822.46
  6. Step 6: Final answer
    x = 91,851,360.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.