Home / 57,672,002.10-86,508,003.15-55,121,085.30

Finding the Fourth Proportional to 57,672,002.10, 86,508,003.15 and 55,121,085.30

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Solution

The fourth proportional to 57,672,002.10, 86,508,003.15 and 55,121,085.30 is: 82,681,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,002.10 : 86,508,003.15 = 55,121,085.30 : x
  2. Step 2: Convert to fraction form
    57,672,002.10/86,508,003.15 = 55,121,085.30/x
  3. Step 3: Cross multiply
    57,672,002.10x = 86,508,003.15 × 55,121,085.30
  4. Step 4: Simplify right side
    57,672,002.10x = 4,768,415,020,763,819
  5. Step 5: Solve for x
    x = 4,768,415,020,763,819/57,672,002.10
  6. Step 6: Final answer
    x = 82,681,627.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.