Home / 211,755,439.14-317,497,214.79-82,225,027.86

Finding the Fourth Proportional to 211,755,439.14, 317,497,214.79 and 82,225,027.86

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Solution

The fourth proportional to 211,755,439.14, 317,497,214.79 and 82,225,027.86 is: 123,284,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,755,439.14 : 317,497,214.79 = 82,225,027.86 : x
  2. Step 2: Convert to fraction form
    211,755,439.14/317,497,214.79 = 82,225,027.86/x
  3. Step 3: Cross multiply
    211,755,439.14x = 317,497,214.79 × 82,225,027.86
  4. Step 4: Simplify right side
    211,755,439.14x = 26,106,217,331,580,156
  5. Step 5: Solve for x
    x = 26,106,217,331,580,156/211,755,439.14
  6. Step 6: Final answer
    x = 123,284,754.51

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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.