Home / 254,984,672.20-382,477,008.30-82,585,211.80

Finding the Fourth Proportional to 254,984,672.20, 382,477,008.30 and 82,585,211.80

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Solution

The fourth proportional to 254,984,672.20, 382,477,008.30 and 82,585,211.80 is: 123,877,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,984,672.20 : 382,477,008.30 = 82,585,211.80 : x
  2. Step 2: Convert to fraction form
    254,984,672.20/382,477,008.30 = 82,585,211.80/x
  3. Step 3: Cross multiply
    254,984,672.20x = 382,477,008.30 × 82,585,211.80
  4. Step 4: Simplify right side
    254,984,672.20x = 31,586,944,739,085,856
  5. Step 5: Solve for x
    x = 31,586,944,739,085,856/254,984,672.20
  6. Step 6: Final answer
    x = 123,877,817.70

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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.