Home / 194,017,131.40-291,025,697.10-168,507,963.40

Finding the Fourth Proportional to 194,017,131.40, 291,025,697.10 and 168,507,963.40

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Solution

The fourth proportional to 194,017,131.40, 291,025,697.10 and 168,507,963.40 is: 252,761,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,017,131.40 : 291,025,697.10 = 168,507,963.40 : x
  2. Step 2: Convert to fraction form
    194,017,131.40/291,025,697.10 = 168,507,963.40/x
  3. Step 3: Cross multiply
    194,017,131.40x = 291,025,697.10 × 168,507,963.40
  4. Step 4: Simplify right side
    194,017,131.40x = 49,040,147,515,386,288
  5. Step 5: Solve for x
    x = 49,040,147,515,386,288/194,017,131.40
  6. Step 6: Final answer
    x = 252,761,945.10

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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.