Home / 50,651,402.61-69,891,205.75-28,616,862.29

Finding the Fourth Proportional to 50,651,402.61, 69,891,205.75 and 28,616,862.29

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Solution

The fourth proportional to 50,651,402.61, 69,891,205.75 and 28,616,862.29 is: 39,486,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651,402.61 : 69,891,205.75 = 28,616,862.29 : x
  2. Step 2: Convert to fraction form
    50,651,402.61/69,891,205.75 = 28,616,862.29/x
  3. Step 3: Cross multiply
    50,651,402.61x = 69,891,205.75 × 28,616,862.29
  4. Step 4: Simplify right side
    50,651,402.61x = 2,000,067,010,440,305.25
  5. Step 5: Solve for x
    x = 2,000,067,010,440,305.25/50,651,402.61
  6. Step 6: Final answer
    x = 39,486,902.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.