Home / 72,560,110.17-100,132,953.26-39,965,062.17

Finding the Fourth Proportional to 72,560,110.17, 100,132,953.26 and 39,965,062.17

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Solution

The fourth proportional to 72,560,110.17, 100,132,953.26 and 39,965,062.17 is: 55,151,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,110.17 : 100,132,953.26 = 39,965,062.17 : x
  2. Step 2: Convert to fraction form
    72,560,110.17/100,132,953.26 = 39,965,062.17/x
  3. Step 3: Cross multiply
    72,560,110.17x = 100,132,953.26 × 39,965,062.17
  4. Step 4: Simplify right side
    72,560,110.17x = 4,001,819,702,101,779
  5. Step 5: Solve for x
    x = 4,001,819,702,101,779/72,560,110.17
  6. Step 6: Final answer
    x = 55,151,786.47

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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.