Home / 115,668,756.39-173,503,540.13-29,407,172.43

Finding the Fourth Proportional to 115,668,756.39, 173,503,540.13 and 29,407,172.43

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Solution

The fourth proportional to 115,668,756.39, 173,503,540.13 and 29,407,172.43 is: 44,110,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,668,756.39 : 173,503,540.13 = 29,407,172.43 : x
  2. Step 2: Convert to fraction form
    115,668,756.39/173,503,540.13 = 29,407,172.43/x
  3. Step 3: Cross multiply
    115,668,756.39x = 173,503,540.13 × 29,407,172.43
  4. Step 4: Simplify right side
    115,668,756.39x = 5,102,248,521,671,299
  5. Step 5: Solve for x
    x = 5,102,248,521,671,299/115,668,756.39
  6. Step 6: Final answer
    x = 44,110,861.75

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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.