Home / 260,723,786.10-391,085,679.15-117,396,554.10

Finding the Fourth Proportional to 260,723,786.10, 391,085,679.15 and 117,396,554.10

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Solution

The fourth proportional to 260,723,786.10, 391,085,679.15 and 117,396,554.10 is: 176,094,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,723,786.10 : 391,085,679.15 = 117,396,554.10 : x
  2. Step 2: Convert to fraction form
    260,723,786.10/391,085,679.15 = 117,396,554.10/x
  3. Step 3: Cross multiply
    260,723,786.10x = 391,085,679.15 × 117,396,554.10
  4. Step 4: Simplify right side
    260,723,786.10x = 45,912,111,090,068,208
  5. Step 5: Solve for x
    x = 45,912,111,090,068,208/260,723,786.10
  6. Step 6: Final answer
    x = 176,094,831.15

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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.