Home / 110,989,840.80-166,484,761.20-109,076,653.20

Finding the Fourth Proportional to 110,989,840.80, 166,484,761.20 and 109,076,653.20

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Solution

The fourth proportional to 110,989,840.80, 166,484,761.20 and 109,076,653.20 is: 163,614,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,989,840.80 : 166,484,761.20 = 109,076,653.20 : x
  2. Step 2: Convert to fraction form
    110,989,840.80/166,484,761.20 = 109,076,653.20/x
  3. Step 3: Cross multiply
    110,989,840.80x = 166,484,761.20 × 109,076,653.20
  4. Step 4: Simplify right side
    110,989,840.80x = 18,159,600,560,497,216
  5. Step 5: Solve for x
    x = 18,159,600,560,497,216/110,989,840.80
  6. Step 6: Final answer
    x = 163,614,979.80

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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.