Home / 111,411,940.20-166,976,192.70-53,780,116.20

Finding the Fourth Proportional to 111,411,940.20, 166,976,192.70 and 53,780,116.20

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Solution

The fourth proportional to 111,411,940.20, 166,976,192.70 and 53,780,116.20 is: 80,601,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,411,940.20 : 166,976,192.70 = 53,780,116.20 : x
  2. Step 2: Convert to fraction form
    111,411,940.20/166,976,192.70 = 53,780,116.20/x
  3. Step 3: Cross multiply
    111,411,940.20x = 166,976,192.70 × 53,780,116.20
  4. Step 4: Simplify right side
    111,411,940.20x = 8,979,999,046,039,592
  5. Step 5: Solve for x
    x = 8,979,999,046,039,592/111,411,940.20
  6. Step 6: Final answer
    x = 80,601,765.21

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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.