Home / 152,011,734.12-209,770,573.10-82,395,620.33

Finding the Fourth Proportional to 152,011,734.12, 209,770,573.10 and 82,395,620.33

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Solution

The fourth proportional to 152,011,734.12, 209,770,573.10 and 82,395,620.33 is: 113,702,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,011,734.12 : 209,770,573.10 = 82,395,620.33 : x
  2. Step 2: Convert to fraction form
    152,011,734.12/209,770,573.10 = 82,395,620.33/x
  3. Step 3: Cross multiply
    152,011,734.12x = 209,770,573.10 × 82,395,620.33
  4. Step 4: Simplify right side
    152,011,734.12x = 17,284,176,496,093,280
  5. Step 5: Solve for x
    x = 17,284,176,496,093,280/152,011,734.12
  6. Step 6: Final answer
    x = 113,702,909.82

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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.