Home / 72,560,277.45-100,129,402.79-45,057,615.69

Finding the Fourth Proportional to 72,560,277.45, 100,129,402.79 and 45,057,615.69

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Solution

The fourth proportional to 72,560,277.45, 100,129,402.79 and 45,057,615.69 is: 62,177,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,277.45 : 100,129,402.79 = 45,057,615.69 : x
  2. Step 2: Convert to fraction form
    72,560,277.45/100,129,402.79 = 45,057,615.69/x
  3. Step 3: Cross multiply
    72,560,277.45x = 100,129,402.79 × 45,057,615.69
  4. Step 4: Simplify right side
    72,560,277.45x = 4,511,592,149,955,745
  5. Step 5: Solve for x
    x = 4,511,592,149,955,745/72,560,277.45
  6. Step 6: Final answer
    x = 62,177,162.33

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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.