Home / 112,123,062.82-168,179,802.70-38,353,439.20

Finding the Fourth Proportional to 112,123,062.82, 168,179,802.70 and 38,353,439.20

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Solution

The fourth proportional to 112,123,062.82, 168,179,802.70 and 38,353,439.20 is: 57,528,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,062.82 : 168,179,802.70 = 38,353,439.20 : x
  2. Step 2: Convert to fraction form
    112,123,062.82/168,179,802.70 = 38,353,439.20/x
  3. Step 3: Cross multiply
    112,123,062.82x = 168,179,802.70 × 38,353,439.20
  4. Step 4: Simplify right side
    112,123,062.82x = 6,450,273,836,647,783
  5. Step 5: Solve for x
    x = 6,450,273,836,647,783/112,123,062.82
  6. Step 6: Final answer
    x = 57,528,519.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.