Home / 216,482,662.50-298,778,420.85-170,419,543.62

Finding the Fourth Proportional to 216,482,662.50, 298,778,420.85 and 170,419,543.62

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Solution

The fourth proportional to 216,482,662.50, 298,778,420.85 and 170,419,543.62 is: 235,204,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,482,662.50 : 298,778,420.85 = 170,419,543.62 : x
  2. Step 2: Convert to fraction form
    216,482,662.50/298,778,420.85 = 170,419,543.62/x
  3. Step 3: Cross multiply
    216,482,662.50x = 298,778,420.85 × 170,419,543.62
  4. Step 4: Simplify right side
    216,482,662.50x = 50,917,682,124,761,296
  5. Step 5: Solve for x
    x = 50,917,682,124,761,296/216,482,662.50
  6. Step 6: Final answer
    x = 235,204,434.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.