Home / 71,765,924.96-107,696,431.92-39,440,401.76

Finding the Fourth Proportional to 71,765,924.96, 107,696,431.92 and 39,440,401.76

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Solution

The fourth proportional to 71,765,924.96, 107,696,431.92 and 39,440,401.76 is: 59,186,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,765,924.96 : 107,696,431.92 = 39,440,401.76 : x
  2. Step 2: Convert to fraction form
    71,765,924.96/107,696,431.92 = 39,440,401.76/x
  3. Step 3: Cross multiply
    71,765,924.96x = 107,696,431.92 × 39,440,401.76
  4. Step 4: Simplify right side
    71,765,924.96x = 4,247,590,543,043,288
  5. Step 5: Solve for x
    x = 4,247,590,543,043,288/71,765,924.96
  6. Step 6: Final answer
    x = 59,186,731.66

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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.