Home / 171,099,002.70-256,648,504.05-165,052,385.10

Finding the Fourth Proportional to 171,099,002.70, 256,648,504.05 and 165,052,385.10

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Solution

The fourth proportional to 171,099,002.70, 256,648,504.05 and 165,052,385.10 is: 247,578,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,099,002.70 : 256,648,504.05 = 165,052,385.10 : x
  2. Step 2: Convert to fraction form
    171,099,002.70/256,648,504.05 = 165,052,385.10/x
  3. Step 3: Cross multiply
    171,099,002.70x = 256,648,504.05 × 165,052,385.10
  4. Step 4: Simplify right side
    171,099,002.70x = 42,360,447,725,799,512
  5. Step 5: Solve for x
    x = 42,360,447,725,799,512/171,099,002.70
  6. Step 6: Final answer
    x = 247,578,577.65

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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.