Home / 152,167,539.30-209,991,611.25-82,552,920.18

Finding the Fourth Proportional to 152,167,539.30, 209,991,611.25 and 82,552,920.18

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Solution

The fourth proportional to 152,167,539.30, 209,991,611.25 and 82,552,920.18 is: 113,923,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,167,539.30 : 209,991,611.25 = 82,552,920.18 : x
  2. Step 2: Convert to fraction form
    152,167,539.30/209,991,611.25 = 82,552,920.18/x
  3. Step 3: Cross multiply
    152,167,539.30x = 209,991,611.25 × 82,552,920.18
  4. Step 4: Simplify right side
    152,167,539.30x = 17,335,420,721,990,842
  5. Step 5: Solve for x
    x = 17,335,420,721,990,842/152,167,539.30
  6. Step 6: Final answer
    x = 113,923,250.66

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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.