Home / 299,380,810.10-449,071,215.15-170,386,301.30

Finding the Fourth Proportional to 299,380,810.10, 449,071,215.15 and 170,386,301.30

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Solution

The fourth proportional to 299,380,810.10, 449,071,215.15 and 170,386,301.30 is: 255,579,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,380,810.10 : 449,071,215.15 = 170,386,301.30 : x
  2. Step 2: Convert to fraction form
    299,380,810.10/449,071,215.15 = 170,386,301.30/x
  3. Step 3: Cross multiply
    299,380,810.10x = 449,071,215.15 × 170,386,301.30
  4. Step 4: Simplify right side
    299,380,810.10x = 76,515,583,369,705,024
  5. Step 5: Solve for x
    x = 76,515,583,369,705,024/299,380,810.10
  6. Step 6: Final answer
    x = 255,579,451.95

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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.