Home / 329,311,996.80-493,967,995.20-86,974,900.80

Finding the Fourth Proportional to 329,311,996.80, 493,967,995.20 and 86,974,900.80

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Solution

The fourth proportional to 329,311,996.80, 493,967,995.20 and 86,974,900.80 is: 130,462,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,311,996.80 : 493,967,995.20 = 86,974,900.80 : x
  2. Step 2: Convert to fraction form
    329,311,996.80/493,967,995.20 = 86,974,900.80/x
  3. Step 3: Cross multiply
    329,311,996.80x = 493,967,995.20 × 86,974,900.80
  4. Step 4: Simplify right side
    329,311,996.80x = 42,962,817,380,894,872
  5. Step 5: Solve for x
    x = 42,962,817,380,894,872/329,311,996.80
  6. Step 6: Final answer
    x = 130,462,351.20

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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.