Home / 120,631,995.04-166,529,973.36-74,261,996.32

Finding the Fourth Proportional to 120,631,995.04, 166,529,973.36 and 74,261,996.32

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Solution

The fourth proportional to 120,631,995.04, 166,529,973.36 and 74,261,996.32 is: 102,517,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,631,995.04 : 166,529,973.36 = 74,261,996.32 : x
  2. Step 2: Convert to fraction form
    120,631,995.04/166,529,973.36 = 74,261,996.32/x
  3. Step 3: Cross multiply
    120,631,995.04x = 166,529,973.36 × 74,261,996.32
  4. Step 4: Simplify right side
    120,631,995.04x = 12,366,848,268,830,018
  5. Step 5: Solve for x
    x = 12,366,848,268,830,018/120,631,995.04
  6. Step 6: Final answer
    x = 102,517,149.49

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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.