Home / 77,672,137.15-116,582,855.33-39,376,892.35

Finding the Fourth Proportional to 77,672,137.15, 116,582,855.33 and 39,376,892.35

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Solution

The fourth proportional to 77,672,137.15, 116,582,855.33 and 39,376,892.35 is: 59,103,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,672,137.15 : 116,582,855.33 = 39,376,892.35 : x
  2. Step 2: Convert to fraction form
    77,672,137.15/116,582,855.33 = 39,376,892.35/x
  3. Step 3: Cross multiply
    77,672,137.15x = 116,582,855.33 × 39,376,892.35
  4. Step 4: Simplify right side
    77,672,137.15x = 4,590,670,543,988,150
  5. Step 5: Solve for x
    x = 4,590,670,543,988,150/77,672,137.15
  6. Step 6: Final answer
    x = 59,103,183.10

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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.