Home / 234,554,333.34-323,684,091.73-128,709,519.56

Finding the Fourth Proportional to 234,554,333.34, 323,684,091.73 and 128,709,519.56

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Solution

The fourth proportional to 234,554,333.34, 323,684,091.73 and 128,709,519.56 is: 177,618,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,554,333.34 : 323,684,091.73 = 128,709,519.56 : x
  2. Step 2: Convert to fraction form
    234,554,333.34/323,684,091.73 = 128,709,519.56/x
  3. Step 3: Cross multiply
    234,554,333.34x = 323,684,091.73 × 128,709,519.56
  4. Step 4: Simplify right side
    234,554,333.34x = 41,661,223,933,521,304
  5. Step 5: Solve for x
    x = 41,661,223,933,521,304/234,554,333.34
  6. Step 6: Final answer
    x = 177,618,649.55

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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.