Home / 57,309,264-79,085,994.48-31,203,781.92

Finding the Fourth Proportional to 57,309,264, 79,085,994.48 and 31,203,781.92

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Solution

The fourth proportional to 57,309,264, 79,085,994.48 and 31,203,781.92 is: 43,060,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309,264 : 79,085,994.48 = 31,203,781.92 : x
  2. Step 2: Convert to fraction form
    57,309,264/79,085,994.48 = 31,203,781.92/x
  3. Step 3: Cross multiply
    57,309,264x = 79,085,994.48 × 31,203,781.92
  4. Step 4: Simplify right side
    57,309,264x = 2,467,782,124,680,244
  5. Step 5: Solve for x
    x = 2,467,782,124,680,244/57,309,264
  6. Step 6: Final answer
    x = 43,060,789.00

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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.