Home / 190,040,940.10-285,628,280.55-186,639,717.70

Finding the Fourth Proportional to 190,040,940.10, 285,628,280.55 and 186,639,717.70

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Solution

The fourth proportional to 190,040,940.10, 285,628,280.55 and 186,639,717.70 is: 280,516,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040,940.10 : 285,628,280.55 = 186,639,717.70 : x
  2. Step 2: Convert to fraction form
    190,040,940.10/285,628,280.55 = 186,639,717.70/x
  3. Step 3: Cross multiply
    190,040,940.10x = 285,628,280.55 × 186,639,717.70
  4. Step 4: Simplify right side
    190,040,940.10x = 53,309,581,648,988,400
  5. Step 5: Solve for x
    x = 53,309,581,648,988,400/190,040,940.10
  6. Step 6: Final answer
    x = 280,516,301.49

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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.