Home / 76,689,856-115,037,145.96-33,536,846.80

Finding the Fourth Proportional to 76,689,856, 115,037,145.96 and 33,536,846.80

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Solution

The fourth proportional to 76,689,856, 115,037,145.96 and 33,536,846.80 is: 50,306,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,689,856 : 115,037,145.96 = 33,536,846.80 : x
  2. Step 2: Convert to fraction form
    76,689,856/115,037,145.96 = 33,536,846.80/x
  3. Step 3: Cross multiply
    76,689,856x = 115,037,145.96 × 33,536,846.80
  4. Step 4: Simplify right side
    76,689,856x = 3,857,983,140,369,759
  5. Step 5: Solve for x
    x = 3,857,983,140,369,759/76,689,856
  6. Step 6: Final answer
    x = 50,306,303.10

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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.