Home / 168,696,015.30-252,540,138.15-100,503,605.70

Finding the Fourth Proportional to 168,696,015.30, 252,540,138.15 and 100,503,605.70

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Solution

The fourth proportional to 168,696,015.30, 252,540,138.15 and 100,503,605.70 is: 150,455,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,696,015.30 : 252,540,138.15 = 100,503,605.70 : x
  2. Step 2: Convert to fraction form
    168,696,015.30/252,540,138.15 = 100,503,605.70/x
  3. Step 3: Cross multiply
    168,696,015.30x = 252,540,138.15 × 100,503,605.70
  4. Step 4: Simplify right side
    168,696,015.30x = 25,381,194,468,051,128
  5. Step 5: Solve for x
    x = 25,381,194,468,051,128/168,696,015.30
  6. Step 6: Final answer
    x = 150,455,210.36

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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.