Home / 186,753,081.71-280,226,571.62-76,169,880.87

Finding the Fourth Proportional to 186,753,081.71, 280,226,571.62 and 76,169,880.87

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Solution

The fourth proportional to 186,753,081.71, 280,226,571.62 and 76,169,880.87 is: 114,294,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,753,081.71 : 280,226,571.62 = 76,169,880.87 : x
  2. Step 2: Convert to fraction form
    186,753,081.71/280,226,571.62 = 76,169,880.87/x
  3. Step 3: Cross multiply
    186,753,081.71x = 280,226,571.62 × 76,169,880.87
  4. Step 4: Simplify right side
    186,753,081.71x = 21,344,824,576,903,924
  5. Step 5: Solve for x
    x = 21,344,824,576,903,924/186,753,081.71
  6. Step 6: Final answer
    x = 114,294,363.35

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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.