Home / 172,121,674.49-258,258,574.23-90,220,969.83

Finding the Fourth Proportional to 172,121,674.49, 258,258,574.23 and 90,220,969.83

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Solution

The fourth proportional to 172,121,674.49, 258,258,574.23 and 90,220,969.83 is: 135,371,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,121,674.49 : 258,258,574.23 = 90,220,969.83 : x
  2. Step 2: Convert to fraction form
    172,121,674.49/258,258,574.23 = 90,220,969.83/x
  3. Step 3: Cross multiply
    172,121,674.49x = 258,258,574.23 × 90,220,969.83
  4. Step 4: Simplify right side
    172,121,674.49x = 23,300,339,035,335,252
  5. Step 5: Solve for x
    x = 23,300,339,035,335,252/172,121,674.49
  6. Step 6: Final answer
    x = 135,371,324.41

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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.