Home / 167,252,964.89-230,716,110.74-155,416,186.87

Finding the Fourth Proportional to 167,252,964.89, 230,716,110.74 and 155,416,186.87

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Solution

The fourth proportional to 167,252,964.89, 230,716,110.74 and 155,416,186.87 is: 214,387,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,252,964.89 : 230,716,110.74 = 155,416,186.87 : x
  2. Step 2: Convert to fraction form
    167,252,964.89/230,716,110.74 = 155,416,186.87/x
  3. Step 3: Cross multiply
    167,252,964.89x = 230,716,110.74 × 155,416,186.87
  4. Step 4: Simplify right side
    167,252,964.89x = 35,857,018,180,687,456
  5. Step 5: Solve for x
    x = 35,857,018,180,687,456/167,252,964.89
  6. Step 6: Final answer
    x = 214,387,937.48

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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.