Home / 74,304,311.40-111,350,178.90-54,720,710.55

Finding the Fourth Proportional to 74,304,311.40, 111,350,178.90 and 54,720,710.55

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Solution

The fourth proportional to 74,304,311.40, 111,350,178.90 and 54,720,710.55 is: 82,002,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,311.40 : 111,350,178.90 = 54,720,710.55 : x
  2. Step 2: Convert to fraction form
    74,304,311.40/111,350,178.90 = 54,720,710.55/x
  3. Step 3: Cross multiply
    74,304,311.40x = 111,350,178.90 × 54,720,710.55
  4. Step 4: Simplify right side
    74,304,311.40x = 6,093,160,909,277,617
  5. Step 5: Solve for x
    x = 6,093,160,909,277,617/74,304,311.40
  6. Step 6: Final answer
    x = 82,002,790.88

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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.