Home / 299,383,709.10-449,075,563.65-146,128,080.30

Finding the Fourth Proportional to 299,383,709.10, 449,075,563.65 and 146,128,080.30

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Solution

The fourth proportional to 299,383,709.10, 449,075,563.65 and 146,128,080.30 is: 219,192,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,383,709.10 : 449,075,563.65 = 146,128,080.30 : x
  2. Step 2: Convert to fraction form
    299,383,709.10/449,075,563.65 = 146,128,080.30/x
  3. Step 3: Cross multiply
    299,383,709.10x = 449,075,563.65 × 146,128,080.30
  4. Step 4: Simplify right side
    299,383,709.10x = 65,622,550,025,814,960
  5. Step 5: Solve for x
    x = 65,622,550,025,814,960/299,383,709.10
  6. Step 6: Final answer
    x = 219,192,120.45

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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.