Home / 57,699,749.28-79,630,995.60-31,945,637.28

Finding the Fourth Proportional to 57,699,749.28, 79,630,995.60 and 31,945,637.28

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Solution

The fourth proportional to 57,699,749.28, 79,630,995.60 and 31,945,637.28 is: 44,087,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699,749.28 : 79,630,995.60 = 31,945,637.28 : x
  2. Step 2: Convert to fraction form
    57,699,749.28/79,630,995.60 = 31,945,637.28/x
  3. Step 3: Cross multiply
    57,699,749.28x = 79,630,995.60 × 31,945,637.28
  4. Step 4: Simplify right side
    57,699,749.28x = 2,543,862,901,682,876
  5. Step 5: Solve for x
    x = 2,543,862,901,682,876/57,699,749.28
  6. Step 6: Final answer
    x = 44,087,936.84

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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.