Home / 31,102,156.44-42,920,994.12-17,351,120.57

Finding the Fourth Proportional to 31,102,156.44, 42,920,994.12 and 17,351,120.57

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Solution

The fourth proportional to 31,102,156.44, 42,920,994.12 and 17,351,120.57 is: 23,944,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,156.44 : 42,920,994.12 = 17,351,120.57 : x
  2. Step 2: Convert to fraction form
    31,102,156.44/42,920,994.12 = 17,351,120.57/x
  3. Step 3: Cross multiply
    31,102,156.44x = 42,920,994.12 × 17,351,120.57
  4. Step 4: Simplify right side
    31,102,156.44x = 744,727,343,680,709.50
  5. Step 5: Solve for x
    x = 744,727,343,680,709.50/31,102,156.44
  6. Step 6: Final answer
    x = 23,944,556.55

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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.