Home / 125,216,401.10-187,633,049.60-66,932,369.96

Finding the Fourth Proportional to 125,216,401.10, 187,633,049.60 and 66,932,369.96

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Solution

The fourth proportional to 125,216,401.10, 187,633,049.60 and 66,932,369.96 is: 100,296,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216,401.10 : 187,633,049.60 = 66,932,369.96 : x
  2. Step 2: Convert to fraction form
    125,216,401.10/187,633,049.60 = 66,932,369.96/x
  3. Step 3: Cross multiply
    125,216,401.10x = 187,633,049.60 × 66,932,369.96
  4. Step 4: Simplify right side
    125,216,401.10x = 12,558,724,691,779,394
  5. Step 5: Solve for x
    x = 12,558,724,691,779,394/125,216,401.10
  6. Step 6: Final answer
    x = 100,296,163.94

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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.