Home / 299,376,043.20-448,728,141.60-170,045,611.20

Finding the Fourth Proportional to 299,376,043.20, 448,728,141.60 and 170,045,611.20

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Solution

The fourth proportional to 299,376,043.20, 448,728,141.60 and 170,045,611.20 is: 254,877,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,376,043.20 : 448,728,141.60 = 170,045,611.20 : x
  2. Step 2: Convert to fraction form
    299,376,043.20/448,728,141.60 = 170,045,611.20/x
  3. Step 3: Cross multiply
    299,376,043.20x = 448,728,141.60 × 170,045,611.20
  4. Step 4: Simplify right side
    299,376,043.20x = 76,304,251,101,012,144
  5. Step 5: Solve for x
    x = 76,304,251,101,012,144/299,376,043.20
  6. Step 6: Final answer
    x = 254,877,612.40

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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.