Home / 100,613,137.28-138,846,712.26-56,559,750.44

Finding the Fourth Proportional to 100,613,137.28, 138,846,712.26 and 56,559,750.44

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Solution

The fourth proportional to 100,613,137.28, 138,846,712.26 and 56,559,750.44 is: 78,052,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,613,137.28 : 138,846,712.26 = 56,559,750.44 : x
  2. Step 2: Convert to fraction form
    100,613,137.28/138,846,712.26 = 56,559,750.44/x
  3. Step 3: Cross multiply
    100,613,137.28x = 138,846,712.26 × 56,559,750.44
  4. Step 4: Simplify right side
    100,613,137.28x = 7,853,135,394,840,088
  5. Step 5: Solve for x
    x = 7,853,135,394,840,088/100,613,137.28
  6. Step 6: Final answer
    x = 78,052,783.24

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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.