Home / 202,322,350.83-279,211,614.36-123,990,776.87

Finding the Fourth Proportional to 202,322,350.83, 279,211,614.36 and 123,990,776.87

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Solution

The fourth proportional to 202,322,350.83, 279,211,614.36 and 123,990,776.87 is: 171,111,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,322,350.83 : 279,211,614.36 = 123,990,776.87 : x
  2. Step 2: Convert to fraction form
    202,322,350.83/279,211,614.36 = 123,990,776.87/x
  3. Step 3: Cross multiply
    202,322,350.83x = 279,211,614.36 × 123,990,776.87
  4. Step 4: Simplify right side
    202,322,350.83x = 34,619,664,974,227,192
  5. Step 5: Solve for x
    x = 34,619,664,974,227,192/202,322,350.83
  6. Step 6: Final answer
    x = 171,111,421.12

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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.