Home / 152,011,732.62-209,770,571.03-82,395,618.83

Finding the Fourth Proportional to 152,011,732.62, 209,770,571.03 and 82,395,618.83

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Solution

The fourth proportional to 152,011,732.62, 209,770,571.03 and 82,395,618.83 is: 113,702,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,011,732.62 : 209,770,571.03 = 82,395,618.83 : x
  2. Step 2: Convert to fraction form
    152,011,732.62/209,770,571.03 = 82,395,618.83/x
  3. Step 3: Cross multiply
    152,011,732.62x = 209,770,571.03 × 82,395,618.83
  4. Step 4: Simplify right side
    152,011,732.62x = 17,284,176,010,878,490
  5. Step 5: Solve for x
    x = 17,284,176,010,878,490/152,011,732.62
  6. Step 6: Final answer
    x = 113,702,907.75

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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.