Home / 186,605,144.20-257,566,318.44-108,313,920.68

Finding the Fourth Proportional to 186,605,144.20, 257,566,318.44 and 108,313,920.68

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Solution

The fourth proportional to 186,605,144.20, 257,566,318.44 and 108,313,920.68 is: 149,502,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605,144.20 : 257,566,318.44 = 108,313,920.68 : x
  2. Step 2: Convert to fraction form
    186,605,144.20/257,566,318.44 = 108,313,920.68/x
  3. Step 3: Cross multiply
    186,605,144.20x = 257,566,318.44 × 108,313,920.68
  4. Step 4: Simplify right side
    186,605,144.20x = 27,898,017,785,349,784
  5. Step 5: Solve for x
    x = 27,898,017,785,349,784/186,605,144.20
  6. Step 6: Final answer
    x = 149,502,940.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.