Home / 57,131,247.86-85,685,712.96-18,259,272.70

Finding the Fourth Proportional to 57,131,247.86, 85,685,712.96 and 18,259,272.70

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Solution

The fourth proportional to 57,131,247.86, 85,685,712.96 and 18,259,272.70 is: 27,385,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,131,247.86 : 85,685,712.96 = 18,259,272.70 : x
  2. Step 2: Convert to fraction form
    57,131,247.86/85,685,712.96 = 18,259,272.70/x
  3. Step 3: Cross multiply
    57,131,247.86x = 85,685,712.96 × 18,259,272.70
  4. Step 4: Simplify right side
    57,131,247.86x = 1,564,558,799,430,564
  5. Step 5: Solve for x
    x = 1,564,558,799,430,564/57,131,247.86
  6. Step 6: Final answer
    x = 27,385,342.66

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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.