Home / 149,376,788.44-206,154,663.38-90,634,843.24

Finding the Fourth Proportional to 149,376,788.44, 206,154,663.38 and 90,634,843.24

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Solution

The fourth proportional to 149,376,788.44, 206,154,663.38 and 90,634,843.24 is: 125,085,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,376,788.44 : 206,154,663.38 = 90,634,843.24 : x
  2. Step 2: Convert to fraction form
    149,376,788.44/206,154,663.38 = 90,634,843.24/x
  3. Step 3: Cross multiply
    149,376,788.44x = 206,154,663.38 × 90,634,843.24
  4. Step 4: Simplify right side
    149,376,788.44x = 18,684,795,598,641,268
  5. Step 5: Solve for x
    x = 18,684,795,598,641,268/149,376,788.44
  6. Step 6: Final answer
    x = 125,085,000.11

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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.