Home / 279,586,609.03-419,440,451.07-107,063,428.67

Finding the Fourth Proportional to 279,586,609.03, 419,440,451.07 and 107,063,428.67

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Solution

The fourth proportional to 279,586,609.03, 419,440,451.07 and 107,063,428.67 is: 160,618,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,586,609.03 : 419,440,451.07 = 107,063,428.67 : x
  2. Step 2: Convert to fraction form
    279,586,609.03/419,440,451.07 = 107,063,428.67/x
  3. Step 3: Cross multiply
    279,586,609.03x = 419,440,451.07 × 107,063,428.67
  4. Step 4: Simplify right side
    279,586,609.03x = 44,906,732,816,681,080
  5. Step 5: Solve for x
    x = 44,906,732,816,681,080/279,586,609.03
  6. Step 6: Final answer
    x = 160,618,324.93

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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.