Home / 166,037,438.40-248,384,311.20-145,882,046.40

Finding the Fourth Proportional to 166,037,438.40, 248,384,311.20 and 145,882,046.40

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Solution

The fourth proportional to 166,037,438.40, 248,384,311.20 and 145,882,046.40 is: 218,232,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,037,438.40 : 248,384,311.20 = 145,882,046.40 : x
  2. Step 2: Convert to fraction form
    166,037,438.40/248,384,311.20 = 145,882,046.40/x
  3. Step 3: Cross multiply
    166,037,438.40x = 248,384,311.20 × 145,882,046.40
  4. Step 4: Simplify right side
    166,037,438.40x = 36,234,811,611,510,440
  5. Step 5: Solve for x
    x = 36,234,811,611,510,440/166,037,438.40
  6. Step 6: Final answer
    x = 218,232,779.07

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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.