Home / 76,689,918-115,037,238.96-33,536,908.80

Finding the Fourth Proportional to 76,689,918, 115,037,238.96 and 33,536,908.80

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Solution

The fourth proportional to 76,689,918, 115,037,238.96 and 33,536,908.80 is: 50,306,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,689,918 : 115,037,238.96 = 33,536,908.80 : x
  2. Step 2: Convert to fraction form
    76,689,918/115,037,238.96 = 33,536,908.80/x
  3. Step 3: Cross multiply
    76,689,918x = 115,037,238.96 × 33,536,908.80
  4. Step 4: Simplify right side
    76,689,918x = 3,857,993,391,605,326.50
  5. Step 5: Solve for x
    x = 3,857,993,391,605,326.50/76,689,918
  6. Step 6: Final answer
    x = 50,306,396.10

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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.