Home / 99,322,561.20-148,990,139.28-31,167,942.96

Finding the Fourth Proportional to 99,322,561.20, 148,990,139.28 and 31,167,942.96

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Solution

The fourth proportional to 99,322,561.20, 148,990,139.28 and 31,167,942.96 is: 46,753,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,322,561.20 : 148,990,139.28 = 31,167,942.96 : x
  2. Step 2: Convert to fraction form
    99,322,561.20/148,990,139.28 = 31,167,942.96/x
  3. Step 3: Cross multiply
    99,322,561.20x = 148,990,139.28 × 31,167,942.96
  4. Step 4: Simplify right side
    99,322,561.20x = 4,643,716,162,681,496
  5. Step 5: Solve for x
    x = 4,643,716,162,681,496/99,322,561.20
  6. Step 6: Final answer
    x = 46,753,890.62

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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.