Home / 202,286,521.08-279,155,399.40-109,467,028.89

Finding the Fourth Proportional to 202,286,521.08, 279,155,399.40 and 109,467,028.89

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Solution

The fourth proportional to 202,286,521.08, 279,155,399.40 and 109,467,028.89 is: 151,064,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,521.08 : 279,155,399.40 = 109,467,028.89 : x
  2. Step 2: Convert to fraction form
    202,286,521.08/279,155,399.40 = 109,467,028.89/x
  3. Step 3: Cross multiply
    202,286,521.08x = 279,155,399.40 × 109,467,028.89
  4. Step 4: Simplify right side
    202,286,521.08x = 30,558,312,170,919,288
  5. Step 5: Solve for x
    x = 30,558,312,170,919,288/202,286,521.08
  6. Step 6: Final answer
    x = 151,064,500.04

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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.