Home / 76,612,609.88-105,725,668.76-41,806,067.48

Finding the Fourth Proportional to 76,612,609.88, 105,725,668.76 and 41,806,067.48

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Solution

The fourth proportional to 76,612,609.88, 105,725,668.76 and 41,806,067.48 is: 57,692,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612,609.88 : 105,725,668.76 = 41,806,067.48 : x
  2. Step 2: Convert to fraction form
    76,612,609.88/105,725,668.76 = 41,806,067.48/x
  3. Step 3: Cross multiply
    76,612,609.88x = 105,725,668.76 × 41,806,067.48
  4. Step 4: Simplify right side
    76,612,609.88x = 4,419,974,442,548,688
  5. Step 5: Solve for x
    x = 4,419,974,442,548,688/76,612,609.88
  6. Step 6: Final answer
    x = 57,692,518.89

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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.