Home / 80,941,772.14-111,736,123.44-51,612,527.50

Finding the Fourth Proportional to 80,941,772.14, 111,736,123.44 and 51,612,527.50

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Solution

The fourth proportional to 80,941,772.14, 111,736,123.44 and 51,612,527.50 is: 71,248,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,941,772.14 : 111,736,123.44 = 51,612,527.50 : x
  2. Step 2: Convert to fraction form
    80,941,772.14/111,736,123.44 = 51,612,527.50/x
  3. Step 3: Cross multiply
    80,941,772.14x = 111,736,123.44 × 51,612,527.50
  4. Step 4: Simplify right side
    80,941,772.14x = 5,766,983,743,790,394
  5. Step 5: Solve for x
    x = 5,766,983,743,790,394/80,941,772.14
  6. Step 6: Final answer
    x = 71,248,548.08

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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.