Home / 215,118,736.56-296,888,954.04-122,313,150

Finding the Fourth Proportional to 215,118,736.56, 296,888,954.04 and 122,313,150

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Solution

The fourth proportional to 215,118,736.56, 296,888,954.04 and 122,313,150 is: 168,806,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,118,736.56 : 296,888,954.04 = 122,313,150 : x
  2. Step 2: Convert to fraction form
    215,118,736.56/296,888,954.04 = 122,313,150/x
  3. Step 3: Cross multiply
    215,118,736.56x = 296,888,954.04 × 122,313,150
  4. Step 4: Simplify right side
    215,118,736.56x = 36,313,423,168,837,632
  5. Step 5: Solve for x
    x = 36,313,423,168,837,632/215,118,736.56
  6. Step 6: Final answer
    x = 168,806,417.10

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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.