Home / 72,615,717.44-100,207,145.76-39,575,286.08

Finding the Fourth Proportional to 72,615,717.44, 100,207,145.76 and 39,575,286.08

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Solution

The fourth proportional to 72,615,717.44, 100,207,145.76 and 39,575,286.08 is: 54,612,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,615,717.44 : 100,207,145.76 = 39,575,286.08 : x
  2. Step 2: Convert to fraction form
    72,615,717.44/100,207,145.76 = 39,575,286.08/x
  3. Step 3: Cross multiply
    72,615,717.44x = 100,207,145.76 × 39,575,286.08
  4. Step 4: Simplify right side
    72,615,717.44x = 3,965,726,460,712,259
  5. Step 5: Solve for x
    x = 3,965,726,460,712,259/72,615,717.44
  6. Step 6: Final answer
    x = 54,612,508.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.