Home / 120,289,916.88-166,000,246.74-65,285,773.38

Finding the Fourth Proportional to 120,289,916.88, 166,000,246.74 and 65,285,773.38

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Solution

The fourth proportional to 120,289,916.88, 166,000,246.74 and 65,285,773.38 is: 90,094,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,289,916.88 : 166,000,246.74 = 65,285,773.38 : x
  2. Step 2: Convert to fraction form
    120,289,916.88/166,000,246.74 = 65,285,773.38/x
  3. Step 3: Cross multiply
    120,289,916.88x = 166,000,246.74 × 65,285,773.38
  4. Step 4: Simplify right side
    120,289,916.88x = 10,837,454,489,691,724
  5. Step 5: Solve for x
    x = 10,837,454,489,691,724/120,289,916.88
  6. Step 6: Final answer
    x = 90,094,454.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.