Home / 211,640,179.38-317,461,339.17-66,061,537.38

Finding the Fourth Proportional to 211,640,179.38, 317,461,339.17 and 66,061,537.38

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Solution

The fourth proportional to 211,640,179.38, 317,461,339.17 and 66,061,537.38 is: 99,092,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,640,179.38 : 317,461,339.17 = 66,061,537.38 : x
  2. Step 2: Convert to fraction form
    211,640,179.38/317,461,339.17 = 66,061,537.38/x
  3. Step 3: Cross multiply
    211,640,179.38x = 317,461,339.17 × 66,061,537.38
  4. Step 4: Simplify right side
    211,640,179.38x = 20,971,984,124,283,816
  5. Step 5: Solve for x
    x = 20,971,984,124,283,816/211,640,179.38
  6. Step 6: Final answer
    x = 99,092,640.09

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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.