Home / 76,689,808.92-115,037,075.34-33,536,799.72

Finding the Fourth Proportional to 76,689,808.92, 115,037,075.34 and 33,536,799.72

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Solution

The fourth proportional to 76,689,808.92, 115,037,075.34 and 33,536,799.72 is: 50,306,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,689,808.92 : 115,037,075.34 = 33,536,799.72 : x
  2. Step 2: Convert to fraction form
    76,689,808.92/115,037,075.34 = 33,536,799.72/x
  3. Step 3: Cross multiply
    76,689,808.92x = 115,037,075.34 × 33,536,799.72
  4. Step 4: Simplify right side
    76,689,808.92x = 3,857,975,356,052,131
  5. Step 5: Solve for x
    x = 3,857,975,356,052,131/76,689,808.92
  6. Step 6: Final answer
    x = 50,306,232.48

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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.