Home / 57,102,546.48-78,801,613.76-30,997,082

Finding the Fourth Proportional to 57,102,546.48, 78,801,613.76 and 30,997,082

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Solution

The fourth proportional to 57,102,546.48, 78,801,613.76 and 30,997,082 is: 42,776,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,546.48 : 78,801,613.76 = 30,997,082 : x
  2. Step 2: Convert to fraction form
    57,102,546.48/78,801,613.76 = 30,997,082/x
  3. Step 3: Cross multiply
    57,102,546.48x = 78,801,613.76 × 30,997,082
  4. Step 4: Simplify right side
    57,102,546.48x = 2,442,620,083,451,048.50
  5. Step 5: Solve for x
    x = 2,442,620,083,451,048.50/57,102,546.48
  6. Step 6: Final answer
    x = 42,776,027.24

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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.