Home / 161,729,215.72-242,507,510.54-83,927,782.85

Finding the Fourth Proportional to 161,729,215.72, 242,507,510.54 and 83,927,782.85

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Solution

The fourth proportional to 161,729,215.72, 242,507,510.54 and 83,927,782.85 is: 125,846,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,729,215.72 : 242,507,510.54 = 83,927,782.85 : x
  2. Step 2: Convert to fraction form
    161,729,215.72/242,507,510.54 = 83,927,782.85/x
  3. Step 3: Cross multiply
    161,729,215.72x = 242,507,510.54 × 83,927,782.85
  4. Step 4: Simplify right side
    161,729,215.72x = 20,353,117,682,463,028
  5. Step 5: Solve for x
    x = 20,353,117,682,463,028/161,729,215.72
  6. Step 6: Final answer
    x = 125,846,882.97

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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.