Home / 118,290,344.72-177,474,936.90-74,520,571.79

Finding the Fourth Proportional to 118,290,344.72, 177,474,936.90 and 74,520,571.79

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Solution

The fourth proportional to 118,290,344.72, 177,474,936.90 and 74,520,571.79 is: 111,805,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,290,344.72 : 177,474,936.90 = 74,520,571.79 : x
  2. Step 2: Convert to fraction form
    118,290,344.72/177,474,936.90 = 74,520,571.79/x
  3. Step 3: Cross multiply
    118,290,344.72x = 177,474,936.90 × 74,520,571.79
  4. Step 4: Simplify right side
    118,290,344.72x = 13,225,533,776,182,172
  5. Step 5: Solve for x
    x = 13,225,533,776,182,172/118,290,344.72
  6. Step 6: Final answer
    x = 111,805,691.39

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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.