Home / 307,202,845.40-423,981,401.80-173,268,254.16

Finding the Fourth Proportional to 307,202,845.40, 423,981,401.80 and 173,268,254.16

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Solution

The fourth proportional to 307,202,845.40, 423,981,401.80 and 173,268,254.16 is: 239,133,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,202,845.40 : 423,981,401.80 = 173,268,254.16 : x
  2. Step 2: Convert to fraction form
    307,202,845.40/423,981,401.80 = 173,268,254.16/x
  3. Step 3: Cross multiply
    307,202,845.40x = 423,981,401.80 × 173,268,254.16
  4. Step 4: Simplify right side
    307,202,845.40x = 73,462,517,286,195,488
  5. Step 5: Solve for x
    x = 73,462,517,286,195,488/307,202,845.40
  6. Step 6: Final answer
    x = 239,133,583.51

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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.