Home / 111,627,660.99-167,595,443.30-77,001,954.78

Finding the Fourth Proportional to 111,627,660.99, 167,595,443.30 and 77,001,954.78

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Solution

The fourth proportional to 111,627,660.99, 167,595,443.30 and 77,001,954.78 is: 115,609,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,627,660.99 : 167,595,443.30 = 77,001,954.78 : x
  2. Step 2: Convert to fraction form
    111,627,660.99/167,595,443.30 = 77,001,954.78/x
  3. Step 3: Cross multiply
    111,627,660.99x = 167,595,443.30 × 77,001,954.78
  4. Step 4: Simplify right side
    111,627,660.99x = 12,905,176,745,935,644
  5. Step 5: Solve for x
    x = 12,905,176,745,935,644/111,627,660.99
  6. Step 6: Final answer
    x = 115,609,129.78

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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.