Home / 67,173,206,732.30-100,773,961,215.82-21,790,371,283.53

Finding the Fourth Proportional to 67,173,206,732.30, 100,773,961,215.82 and 21,790,371,283.53

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Solution

The fourth proportional to 67,173,206,732.30, 100,773,961,215.82 and 21,790,371,283.53 is: 32,690,147,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,173,206,732.30 : 100,773,961,215.82 = 21,790,371,283.53 : x
  2. Step 2: Convert to fraction form
    67,173,206,732.30/100,773,961,215.82 = 21,790,371,283.53/x
  3. Step 3: Cross multiply
    67,173,206,732.30x = 100,773,961,215.82 × 21,790,371,283.53
  4. Step 4: Simplify right side
    67,173,206,732.30x = 2,195,902,030,604,367,298,560
  5. Step 5: Solve for x
    x = 2,195,902,030,604,367,298,560/67,173,206,732.30
  6. Step 6: Final answer
    x = 32,690,147,417.79

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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.