Home / 163,454,049.82-225,568,154.55-90,117,821.98

Finding the Fourth Proportional to 163,454,049.82, 225,568,154.55 and 90,117,821.98

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Solution

The fourth proportional to 163,454,049.82, 225,568,154.55 and 90,117,821.98 is: 124,363,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,454,049.82 : 225,568,154.55 = 90,117,821.98 : x
  2. Step 2: Convert to fraction form
    163,454,049.82/225,568,154.55 = 90,117,821.98/x
  3. Step 3: Cross multiply
    163,454,049.82x = 225,568,154.55 × 90,117,821.98
  4. Step 4: Simplify right side
    163,454,049.82x = 20,327,710,796,094,028
  5. Step 5: Solve for x
    x = 20,327,710,796,094,028/163,454,049.82
  6. Step 6: Final answer
    x = 124,363,457.61

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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.