Home / 280,093,700.11-420,142,149.94-116,331,456.75

Finding the Fourth Proportional to 280,093,700.11, 420,142,149.94 and 116,331,456.75

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Solution

The fourth proportional to 280,093,700.11, 420,142,149.94 and 116,331,456.75 is: 174,497,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,093,700.11 : 420,142,149.94 = 116,331,456.75 : x
  2. Step 2: Convert to fraction form
    280,093,700.11/420,142,149.94 = 116,331,456.75/x
  3. Step 3: Cross multiply
    280,093,700.11x = 420,142,149.94 × 116,331,456.75
  4. Step 4: Simplify right side
    280,093,700.11x = 48,875,748,345,881,832
  5. Step 5: Solve for x
    x = 48,875,748,345,881,832/280,093,700.11
  6. Step 6: Final answer
    x = 174,497,849.56

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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.