Home / 71,712,493.50-107,569,133.91-17,859,805.50

Finding the Fourth Proportional to 71,712,493.50, 107,569,133.91 and 17,859,805.50

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Solution

The fourth proportional to 71,712,493.50, 107,569,133.91 and 17,859,805.50 is: 26,789,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,712,493.50 : 107,569,133.91 = 17,859,805.50 : x
  2. Step 2: Convert to fraction form
    71,712,493.50/107,569,133.91 = 17,859,805.50/x
  3. Step 3: Cross multiply
    71,712,493.50x = 107,569,133.91 × 17,859,805.50
  4. Step 4: Simplify right side
    71,712,493.50x = 1,921,163,809,436,054.50
  5. Step 5: Solve for x
    x = 1,921,163,809,436,054.50/71,712,493.50
  6. Step 6: Final answer
    x = 26,789,806.29

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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.