Home / 111,461,405.40-167,192,108.10-82,763,591.40

Finding the Fourth Proportional to 111,461,405.40, 167,192,108.10 and 82,763,591.40

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Solution

The fourth proportional to 111,461,405.40, 167,192,108.10 and 82,763,591.40 is: 124,145,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,461,405.40 : 167,192,108.10 = 82,763,591.40 : x
  2. Step 2: Convert to fraction form
    111,461,405.40/167,192,108.10 = 82,763,591.40/x
  3. Step 3: Cross multiply
    111,461,405.40x = 167,192,108.10 × 82,763,591.40
  4. Step 4: Simplify right side
    111,461,405.40x = 13,837,419,320,093,030
  5. Step 5: Solve for x
    x = 13,837,419,320,093,030/111,461,405.40
  6. Step 6: Final answer
    x = 124,145,387.10

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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.