Home / 76,935,110.48-115,424,240.48-30,909,299.39

Finding the Fourth Proportional to 76,935,110.48, 115,424,240.48 and 30,909,299.39

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Solution

The fourth proportional to 76,935,110.48, 115,424,240.48 and 30,909,299.39 is: 46,372,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935,110.48 : 115,424,240.48 = 30,909,299.39 : x
  2. Step 2: Convert to fraction form
    76,935,110.48/115,424,240.48 = 30,909,299.39/x
  3. Step 3: Cross multiply
    76,935,110.48x = 115,424,240.48 × 30,909,299.39
  4. Step 4: Simplify right side
    76,935,110.48x = 3,567,682,405,859,677.50
  5. Step 5: Solve for x
    x = 3,567,682,405,859,677.50/76,935,110.48
  6. Step 6: Final answer
    x = 46,372,616.92

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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.