Home / 221,117,436.66-331,676,265.52-75,552,425.34

Finding the Fourth Proportional to 221,117,436.66, 331,676,265.52 and 75,552,425.34

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Solution

The fourth proportional to 221,117,436.66, 331,676,265.52 and 75,552,425.34 is: 113,328,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,117,436.66 : 331,676,265.52 = 75,552,425.34 : x
  2. Step 2: Convert to fraction form
    221,117,436.66/331,676,265.52 = 75,552,425.34/x
  3. Step 3: Cross multiply
    221,117,436.66x = 331,676,265.52 × 75,552,425.34
  4. Step 4: Simplify right side
    221,117,436.66x = 25,058,946,287,749,816
  5. Step 5: Solve for x
    x = 25,058,946,287,749,816/221,117,436.66
  6. Step 6: Final answer
    x = 113,328,675.78

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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.