Home / 57,430,229.92-79,254,663.24-31,324,749.64

Finding the Fourth Proportional to 57,430,229.92, 79,254,663.24 and 31,324,749.64

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Solution

The fourth proportional to 57,430,229.92, 79,254,663.24 and 31,324,749.64 is: 43,228,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430,229.92 : 79,254,663.24 = 31,324,749.64 : x
  2. Step 2: Convert to fraction form
    57,430,229.92/79,254,663.24 = 31,324,749.64/x
  3. Step 3: Cross multiply
    57,430,229.92x = 79,254,663.24 × 31,324,749.64
  4. Step 4: Simplify right side
    57,430,229.92x = 2,482,632,483,795,511
  5. Step 5: Solve for x
    x = 2,482,632,483,795,511/57,430,229.92
  6. Step 6: Final answer
    x = 43,228,670.46

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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.