Home / 42,355,933.81-63,560,777.24-18,095,043.21

Finding the Fourth Proportional to 42,355,933.81, 63,560,777.24 and 18,095,043.21

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Solution

The fourth proportional to 42,355,933.81, 63,560,777.24 and 18,095,043.21 is: 27,154,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,355,933.81 : 63,560,777.24 = 18,095,043.21 : x
  2. Step 2: Convert to fraction form
    42,355,933.81/63,560,777.24 = 18,095,043.21/x
  3. Step 3: Cross multiply
    42,355,933.81x = 63,560,777.24 × 18,095,043.21
  4. Step 4: Simplify right side
    42,355,933.81x = 1,150,135,010,618,984.75
  5. Step 5: Solve for x
    x = 1,150,135,010,618,984.75/42,355,933.81
  6. Step 6: Final answer
    x = 27,154,046.84

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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.