Home / 183,789,186.37-253,629,129.89-100,157,340.44

Finding the Fourth Proportional to 183,789,186.37, 253,629,129.89 and 100,157,340.44

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Solution

The fourth proportional to 183,789,186.37, 253,629,129.89 and 100,157,340.44 is: 138,217,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,789,186.37 : 253,629,129.89 = 100,157,340.44 : x
  2. Step 2: Convert to fraction form
    183,789,186.37/253,629,129.89 = 100,157,340.44/x
  3. Step 3: Cross multiply
    183,789,186.37x = 253,629,129.89 × 100,157,340.44
  4. Step 4: Simplify right side
    183,789,186.37x = 25,402,819,108,778,176
  5. Step 5: Solve for x
    x = 25,402,819,108,778,176/183,789,186.37
  6. Step 6: Final answer
    x = 138,217,158.53

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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.