Home / 111,912,148-167,682,638.48-68,060,266.48

Finding the Fourth Proportional to 111,912,148, 167,682,638.48 and 68,060,266.48

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Solution

The fourth proportional to 111,912,148, 167,682,638.48 and 68,060,266.48 is: 101,977,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,912,148 : 167,682,638.48 = 68,060,266.48 : x
  2. Step 2: Convert to fraction form
    111,912,148/167,682,638.48 = 68,060,266.48/x
  3. Step 3: Cross multiply
    111,912,148x = 167,682,638.48 × 68,060,266.48
  4. Step 4: Simplify right side
    111,912,148x = 11,412,525,059,018,302
  5. Step 5: Solve for x
    x = 11,412,525,059,018,302/111,912,148
  6. Step 6: Final answer
    x = 101,977,535.62

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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.