Home / 186,619,569.50-280,054,214.44-77,444,736.84

Finding the Fourth Proportional to 186,619,569.50, 280,054,214.44 and 77,444,736.84

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Solution

The fourth proportional to 186,619,569.50, 280,054,214.44 and 77,444,736.84 is: 116,218,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,619,569.50 : 280,054,214.44 = 77,444,736.84 : x
  2. Step 2: Convert to fraction form
    186,619,569.50/280,054,214.44 = 77,444,736.84/x
  3. Step 3: Cross multiply
    186,619,569.50x = 280,054,214.44 × 77,444,736.84
  4. Step 4: Simplify right side
    186,619,569.50x = 21,688,724,938,388,204
  5. Step 5: Solve for x
    x = 21,688,724,938,388,204/186,619,569.50
  6. Step 6: Final answer
    x = 116,218,920.64

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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.