Home / 76,612,605.88-105,725,663.24-41,806,063.48

Finding the Fourth Proportional to 76,612,605.88, 105,725,663.24 and 41,806,063.48

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Solution

The fourth proportional to 76,612,605.88, 105,725,663.24 and 41,806,063.48 is: 57,692,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612,605.88 : 105,725,663.24 = 41,806,063.48 : x
  2. Step 2: Convert to fraction form
    76,612,605.88/105,725,663.24 = 41,806,063.48/x
  3. Step 3: Cross multiply
    76,612,605.88x = 105,725,663.24 × 41,806,063.48
  4. Step 4: Simplify right side
    76,612,605.88x = 4,419,973,788,876,542
  5. Step 5: Solve for x
    x = 4,419,973,788,876,542/76,612,605.88
  6. Step 6: Final answer
    x = 57,692,513.37

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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.