Home / 299,421,734.40-449,281,900.80-170,128,627.20

Finding the Fourth Proportional to 299,421,734.40, 449,281,900.80 and 170,128,627.20

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Solution

The fourth proportional to 299,421,734.40, 449,281,900.80 and 170,128,627.20 is: 255,277,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,421,734.40 : 449,281,900.80 = 170,128,627.20 : x
  2. Step 2: Convert to fraction form
    299,421,734.40/449,281,900.80 = 170,128,627.20/x
  3. Step 3: Cross multiply
    299,421,734.40x = 449,281,900.80 × 170,128,627.20
  4. Step 4: Simplify right side
    299,421,734.40x = 76,435,713,008,910,576
  5. Step 5: Solve for x
    x = 76,435,713,008,910,576/299,421,734.40
  6. Step 6: Final answer
    x = 255,277,771.21

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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.