Home / 351,015,028.80-526,522,543.20-169,616,500.80

Finding the Fourth Proportional to 351,015,028.80, 526,522,543.20 and 169,616,500.80

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Solution

The fourth proportional to 351,015,028.80, 526,522,543.20 and 169,616,500.80 is: 254,424,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,015,028.80 : 526,522,543.20 = 169,616,500.80 : x
  2. Step 2: Convert to fraction form
    351,015,028.80/526,522,543.20 = 169,616,500.80/x
  3. Step 3: Cross multiply
    351,015,028.80x = 526,522,543.20 × 169,616,500.80
  4. Step 4: Simplify right side
    351,015,028.80x = 89,306,911,369,900,832
  5. Step 5: Solve for x
    x = 89,306,911,369,900,832/351,015,028.80
  6. Step 6: Final answer
    x = 254,424,751.20

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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.