Home / 234,244,143.05-323,256,947.51-129,828,955.37

Finding the Fourth Proportional to 234,244,143.05, 323,256,947.51 and 129,828,955.37

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Solution

The fourth proportional to 234,244,143.05, 323,256,947.51 and 129,828,955.37 is: 179,163,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,244,143.05 : 323,256,947.51 = 129,828,955.37 : x
  2. Step 2: Convert to fraction form
    234,244,143.05/323,256,947.51 = 129,828,955.37/x
  3. Step 3: Cross multiply
    234,244,143.05x = 323,256,947.51 × 129,828,955.37
  4. Step 4: Simplify right side
    234,244,143.05x = 41,968,111,810,026,504
  5. Step 5: Solve for x
    x = 41,968,111,810,026,504/234,244,143.05
  6. Step 6: Final answer
    x = 179,163,975.09

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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.