Home / 202,208,109.23-279,046,582.56-109,388,591.39

Finding the Fourth Proportional to 202,208,109.23, 279,046,582.56 and 109,388,591.39

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Solution

The fourth proportional to 202,208,109.23, 279,046,582.56 and 109,388,591.39 is: 150,955,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,208,109.23 : 279,046,582.56 = 109,388,591.39 : x
  2. Step 2: Convert to fraction form
    202,208,109.23/279,046,582.56 = 109,388,591.39/x
  3. Step 3: Cross multiply
    202,208,109.23x = 279,046,582.56 × 109,388,591.39
  4. Step 4: Simplify right side
    202,208,109.23x = 30,524,512,599,129,356
  5. Step 5: Solve for x
    x = 30,524,512,599,129,356/202,208,109.23
  6. Step 6: Final answer
    x = 150,955,927.11

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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.