Home / 57,022,922.21-78,692,653.37-30,918,319.97

Finding the Fourth Proportional to 57,022,922.21, 78,692,653.37 and 30,918,319.97

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Solution

The fourth proportional to 57,022,922.21, 78,692,653.37 and 30,918,319.97 is: 42,667,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022,922.21 : 78,692,653.37 = 30,918,319.97 : x
  2. Step 2: Convert to fraction form
    57,022,922.21/78,692,653.37 = 30,918,319.97/x
  3. Step 3: Cross multiply
    57,022,922.21x = 78,692,653.37 × 30,918,319.97
  4. Step 4: Simplify right side
    57,022,922.21x = 2,433,044,635,865,791.50
  5. Step 5: Solve for x
    x = 2,433,044,635,865,791.50/57,022,922.21
  6. Step 6: Final answer
    x = 42,667,835.00

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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.