Home / 190,040,934.60-285,628,272.30-186,639,712.20

Finding the Fourth Proportional to 190,040,934.60, 285,628,272.30 and 186,639,712.20

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Solution

The fourth proportional to 190,040,934.60, 285,628,272.30 and 186,639,712.20 is: 280,516,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040,934.60 : 285,628,272.30 = 186,639,712.20 : x
  2. Step 2: Convert to fraction form
    190,040,934.60/285,628,272.30 = 186,639,712.20/x
  3. Step 3: Cross multiply
    190,040,934.60x = 285,628,272.30 × 186,639,712.20
  4. Step 4: Simplify right side
    190,040,934.60x = 53,309,578,538,255,232
  5. Step 5: Solve for x
    x = 53,309,578,538,255,232/190,040,934.60
  6. Step 6: Final answer
    x = 280,516,293.24

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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.