Home / 188,093,507.40-259,607,227.59-108,711,940.86

Finding the Fourth Proportional to 188,093,507.40, 259,607,227.59 and 108,711,940.86

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Solution

The fourth proportional to 188,093,507.40, 259,607,227.59 and 108,711,940.86 is: 150,044,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,093,507.40 : 259,607,227.59 = 108,711,940.86 : x
  2. Step 2: Convert to fraction form
    188,093,507.40/259,607,227.59 = 108,711,940.86/x
  3. Step 3: Cross multiply
    188,093,507.40x = 259,607,227.59 × 108,711,940.86
  4. Step 4: Simplify right side
    188,093,507.40x = 28,222,405,572,592,640
  5. Step 5: Solve for x
    x = 28,222,405,572,592,640/188,093,507.40
  6. Step 6: Final answer
    x = 150,044,549.45

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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.