Home / 328,878,200.45-493,278,900.30-132,133,649.29

Finding the Fourth Proportional to 328,878,200.45, 493,278,900.30 and 132,133,649.29

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Solution

The fourth proportional to 328,878,200.45, 493,278,900.30 and 132,133,649.29 is: 198,185,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878,200.45 : 493,278,900.30 = 132,133,649.29 : x
  2. Step 2: Convert to fraction form
    328,878,200.45/493,278,900.30 = 132,133,649.29/x
  3. Step 3: Cross multiply
    328,878,200.45x = 493,278,900.30 × 132,133,649.29
  4. Step 4: Simplify right side
    328,878,200.45x = 65,178,741,213,163,880
  5. Step 5: Solve for x
    x = 65,178,741,213,163,880/328,878,200.45
  6. Step 6: Final answer
    x = 198,185,045.78

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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.