Home / 213,248,799.60-319,991,231.78-104,074,874.97

Finding the Fourth Proportional to 213,248,799.60, 319,991,231.78 and 104,074,874.97

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Solution

The fourth proportional to 213,248,799.60, 319,991,231.78 and 104,074,874.97 is: 156,169,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,248,799.60 : 319,991,231.78 = 104,074,874.97 : x
  2. Step 2: Convert to fraction form
    213,248,799.60/319,991,231.78 = 104,074,874.97/x
  3. Step 3: Cross multiply
    213,248,799.60x = 319,991,231.78 × 104,074,874.97
  4. Step 4: Simplify right side
    213,248,799.60x = 33,303,047,438,999,788
  5. Step 5: Solve for x
    x = 33,303,047,438,999,788/213,248,799.60
  6. Step 6: Final answer
    x = 156,169,917.49

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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.