Home / 254,983,279.20-382,474,918.80-82,583,818.80

Finding the Fourth Proportional to 254,983,279.20, 382,474,918.80 and 82,583,818.80

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Solution

The fourth proportional to 254,983,279.20, 382,474,918.80 and 82,583,818.80 is: 123,875,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,983,279.20 : 382,474,918.80 = 82,583,818.80 : x
  2. Step 2: Convert to fraction form
    254,983,279.20/382,474,918.80 = 82,583,818.80/x
  3. Step 3: Cross multiply
    254,983,279.20x = 382,474,918.80 × 82,583,818.80
  4. Step 4: Simplify right side
    254,983,279.20x = 31,586,239,389,723,912
  5. Step 5: Solve for x
    x = 31,586,239,389,723,912/254,983,279.20
  6. Step 6: Final answer
    x = 123,875,728.20

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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.