Home / 230,718,908.34-318,371,918.13-136,616,173.38

Finding the Fourth Proportional to 230,718,908.34, 318,371,918.13 and 136,616,173.38

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Solution

The fourth proportional to 230,718,908.34, 318,371,918.13 and 136,616,173.38 is: 188,518,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,718,908.34 : 318,371,918.13 = 136,616,173.38 : x
  2. Step 2: Convert to fraction form
    230,718,908.34/318,371,918.13 = 136,616,173.38/x
  3. Step 3: Cross multiply
    230,718,908.34x = 318,371,918.13 × 136,616,173.38
  4. Step 4: Simplify right side
    230,718,908.34x = 43,494,753,166,571,240
  5. Step 5: Solve for x
    x = 43,494,753,166,571,240/230,718,908.34
  6. Step 6: Final answer
    x = 188,518,372.77

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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.