Home / 72,560,110.42-100,132,953.60-39,965,062.42

Finding the Fourth Proportional to 72,560,110.42, 100,132,953.60 and 39,965,062.42

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Solution

The fourth proportional to 72,560,110.42, 100,132,953.60 and 39,965,062.42 is: 55,151,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,110.42 : 100,132,953.60 = 39,965,062.42 : x
  2. Step 2: Convert to fraction form
    72,560,110.42/100,132,953.60 = 39,965,062.42/x
  3. Step 3: Cross multiply
    72,560,110.42x = 100,132,953.60 × 39,965,062.42
  4. Step 4: Simplify right side
    72,560,110.42x = 4,001,819,740,922,963.50
  5. Step 5: Solve for x
    x = 4,001,819,740,922,963.50/72,560,110.42
  6. Step 6: Final answer
    x = 55,151,786.81

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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.