Home / 315,218,372.80-472,827,559.20-170,099,550.40

Finding the Fourth Proportional to 315,218,372.80, 472,827,559.20 and 170,099,550.40

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Solution

The fourth proportional to 315,218,372.80, 472,827,559.20 and 170,099,550.40 is: 255,149,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,218,372.80 : 472,827,559.20 = 170,099,550.40 : x
  2. Step 2: Convert to fraction form
    315,218,372.80/472,827,559.20 = 170,099,550.40/x
  3. Step 3: Cross multiply
    315,218,372.80x = 472,827,559.20 × 170,099,550.40
  4. Step 4: Simplify right side
    315,218,372.80x = 80,427,755,236,649,392
  5. Step 5: Solve for x
    x = 80,427,755,236,649,392/315,218,372.80
  6. Step 6: Final answer
    x = 255,149,325.60

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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.