Home / 193,414,787.20-290,122,180.80-65,763,971.20

Finding the Fourth Proportional to 193,414,787.20, 290,122,180.80 and 65,763,971.20

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Solution

The fourth proportional to 193,414,787.20, 290,122,180.80 and 65,763,971.20 is: 98,645,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,414,787.20 : 290,122,180.80 = 65,763,971.20 : x
  2. Step 2: Convert to fraction form
    193,414,787.20/290,122,180.80 = 65,763,971.20/x
  3. Step 3: Cross multiply
    193,414,787.20x = 290,122,180.80 × 65,763,971.20
  4. Step 4: Simplify right side
    193,414,787.20x = 19,079,586,742,612,396
  5. Step 5: Solve for x
    x = 19,079,586,742,612,396/193,414,787.20
  6. Step 6: Final answer
    x = 98,645,956.80

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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.