Home / 178,682,325.78-267,947,315.28-67,999,108.62

Finding the Fourth Proportional to 178,682,325.78, 267,947,315.28 and 67,999,108.62

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Solution

The fourth proportional to 178,682,325.78, 267,947,315.28 and 67,999,108.62 is: 101,969,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,682,325.78 : 267,947,315.28 = 67,999,108.62 : x
  2. Step 2: Convert to fraction form
    178,682,325.78/267,947,315.28 = 67,999,108.62/x
  3. Step 3: Cross multiply
    178,682,325.78x = 267,947,315.28 × 67,999,108.62
  4. Step 4: Simplify right side
    178,682,325.78x = 18,220,178,596,162,108
  5. Step 5: Solve for x
    x = 18,220,178,596,162,108/178,682,325.78
  6. Step 6: Final answer
    x = 101,969,674.49

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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.