Home / 202,630,902.83-279,630,885.05-109,811,410.68

Finding the Fourth Proportional to 202,630,902.83, 279,630,885.05 and 109,811,410.68

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Solution

The fourth proportional to 202,630,902.83, 279,630,885.05 and 109,811,410.68 is: 151,539,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,630,902.83 : 279,630,885.05 = 109,811,410.68 : x
  2. Step 2: Convert to fraction form
    202,630,902.83/279,630,885.05 = 109,811,410.68/x
  3. Step 3: Cross multiply
    202,630,902.83x = 279,630,885.05 × 109,811,410.68
  4. Step 4: Simplify right side
    202,630,902.83x = 30,706,661,956,377,248
  5. Step 5: Solve for x
    x = 30,706,661,956,377,248/202,630,902.83
  6. Step 6: Final answer
    x = 151,539,876.33

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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.