Home / 109,268,115.80-163,902,173.70-54,848,557.40

Finding the Fourth Proportional to 109,268,115.80, 163,902,173.70 and 54,848,557.40

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Solution

The fourth proportional to 109,268,115.80, 163,902,173.70 and 54,848,557.40 is: 82,272,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,268,115.80 : 163,902,173.70 = 54,848,557.40 : x
  2. Step 2: Convert to fraction form
    109,268,115.80/163,902,173.70 = 54,848,557.40/x
  3. Step 3: Cross multiply
    109,268,115.80x = 163,902,173.70 × 54,848,557.40
  4. Step 4: Simplify right side
    109,268,115.80x = 8,989,797,782,169,219
  5. Step 5: Solve for x
    x = 8,989,797,782,169,219/109,268,115.80
  6. Step 6: Final answer
    x = 82,272,836.10

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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.