Home / 308,947,123.22-426,354,717.96-167,818,299.26

Finding the Fourth Proportional to 308,947,123.22, 426,354,717.96 and 167,818,299.26

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Solution

The fourth proportional to 308,947,123.22, 426,354,717.96 and 167,818,299.26 is: 231,593,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,947,123.22 : 426,354,717.96 = 167,818,299.26 : x
  2. Step 2: Convert to fraction form
    308,947,123.22/426,354,717.96 = 167,818,299.26/x
  3. Step 3: Cross multiply
    308,947,123.22x = 426,354,717.96 × 167,818,299.26
  4. Step 4: Simplify right side
    308,947,123.22x = 71,550,123,647,392,400
  5. Step 5: Solve for x
    x = 71,550,123,647,392,400/308,947,123.22
  6. Step 6: Final answer
    x = 231,593,429.01

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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.