Home / 183,868,642.89-253,741,540.55-100,236,829.77

Finding the Fourth Proportional to 183,868,642.89, 253,741,540.55 and 100,236,829.77

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Solution

The fourth proportional to 183,868,642.89, 253,741,540.55 and 100,236,829.77 is: 138,328,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,868,642.89 : 253,741,540.55 = 100,236,829.77 : x
  2. Step 2: Convert to fraction form
    183,868,642.89/253,741,540.55 = 100,236,829.77/x
  3. Step 3: Cross multiply
    183,868,642.89x = 253,741,540.55 × 100,236,829.77
  4. Step 4: Simplify right side
    183,868,642.89x = 25,434,247,605,186,716
  5. Step 5: Solve for x
    x = 25,434,247,605,186,716/183,868,642.89
  6. Step 6: Final answer
    x = 138,328,358.80

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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.