Home / 190,087,910.26-285,251,810.69-80,912,907.15

Finding the Fourth Proportional to 190,087,910.26, 285,251,810.69 and 80,912,907.15

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Solution

The fourth proportional to 190,087,910.26, 285,251,810.69 and 80,912,907.15 is: 121,420,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,087,910.26 : 285,251,810.69 = 80,912,907.15 : x
  2. Step 2: Convert to fraction form
    190,087,910.26/285,251,810.69 = 80,912,907.15/x
  3. Step 3: Cross multiply
    190,087,910.26x = 285,251,810.69 × 80,912,907.15
  4. Step 4: Simplify right side
    190,087,910.26x = 23,080,553,271,861,932
  5. Step 5: Solve for x
    x = 23,080,553,271,861,932/190,087,910.26
  6. Step 6: Final answer
    x = 121,420,416.69

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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.