Home / 167,252,965.39-230,716,111.43-155,416,187.37

Finding the Fourth Proportional to 167,252,965.39, 230,716,111.43 and 155,416,187.37

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Solution

The fourth proportional to 167,252,965.39, 230,716,111.43 and 155,416,187.37 is: 214,387,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,252,965.39 : 230,716,111.43 = 155,416,187.37 : x
  2. Step 2: Convert to fraction form
    167,252,965.39/230,716,111.43 = 155,416,187.37/x
  3. Step 3: Cross multiply
    167,252,965.39x = 230,716,111.43 × 155,416,187.37
  4. Step 4: Simplify right side
    167,252,965.39x = 35,857,018,403,282,680
  5. Step 5: Solve for x
    x = 35,857,018,403,282,680/167,252,965.39
  6. Step 6: Final answer
    x = 214,387,938.17

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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.