Home / 190,839,077.76-285,993,778.16-86,954,402.64

Finding the Fourth Proportional to 190,839,077.76, 285,993,778.16 and 86,954,402.64

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Solution

The fourth proportional to 190,839,077.76, 285,993,778.16 and 86,954,402.64 is: 130,310,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,839,077.76 : 285,993,778.16 = 86,954,402.64 : x
  2. Step 2: Convert to fraction form
    190,839,077.76/285,993,778.16 = 86,954,402.64/x
  3. Step 3: Cross multiply
    190,839,077.76x = 285,993,778.16 × 86,954,402.64
  4. Step 4: Simplify right side
    190,839,077.76x = 24,868,418,138,659,480
  5. Step 5: Solve for x
    x = 24,868,418,138,659,480/190,839,077.76
  6. Step 6: Final answer
    x = 130,310,932.28

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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.