Home / 290,227,067.82-435,527,893.68-105,979,117.57

Finding the Fourth Proportional to 290,227,067.82, 435,527,893.68 and 105,979,117.57

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Solution

The fourth proportional to 290,227,067.82, 435,527,893.68 and 105,979,117.57 is: 159,037,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,227,067.82 : 435,527,893.68 = 105,979,117.57 : x
  2. Step 2: Convert to fraction form
    290,227,067.82/435,527,893.68 = 105,979,117.57/x
  3. Step 3: Cross multiply
    290,227,067.82x = 435,527,893.68 × 105,979,117.57
  4. Step 4: Simplify right side
    290,227,067.82x = 46,156,861,849,327,176
  5. Step 5: Solve for x
    x = 46,156,861,849,327,176/290,227,067.82
  6. Step 6: Final answer
    x = 159,037,067.76

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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.