Home / 113,101,939.47-169,680,258.68-39,315,067.23

Finding the Fourth Proportional to 113,101,939.47, 169,680,258.68 and 39,315,067.23

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Solution

The fourth proportional to 113,101,939.47, 169,680,258.68 and 39,315,067.23 is: 58,982,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,101,939.47 : 169,680,258.68 = 39,315,067.23 : x
  2. Step 2: Convert to fraction form
    113,101,939.47/169,680,258.68 = 39,315,067.23/x
  3. Step 3: Cross multiply
    113,101,939.47x = 169,680,258.68 × 39,315,067.23
  4. Step 4: Simplify right side
    113,101,939.47x = 6,670,990,777,411,416
  5. Step 5: Solve for x
    x = 6,670,990,777,411,416/113,101,939.47
  6. Step 6: Final answer
    x = 58,982,107.72

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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.