Home / 57,370,971.72-79,169,632.56-31,264,932.54

Finding the Fourth Proportional to 57,370,971.72, 79,169,632.56 and 31,264,932.54

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Solution

The fourth proportional to 57,370,971.72, 79,169,632.56 and 31,264,932.54 is: 43,144,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370,971.72 : 79,169,632.56 = 31,264,932.54 : x
  2. Step 2: Convert to fraction form
    57,370,971.72/79,169,632.56 = 31,264,932.54/x
  3. Step 3: Cross multiply
    57,370,971.72x = 79,169,632.56 × 31,264,932.54
  4. Step 4: Simplify right side
    57,370,971.72x = 2,475,233,221,204,987.50
  5. Step 5: Solve for x
    x = 2,475,233,221,204,987.50/57,370,971.72
  6. Step 6: Final answer
    x = 43,144,348.91

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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.