Home / 361,987,930.86-543,148,888.14-165,311,636.55

Finding the Fourth Proportional to 361,987,930.86, 543,148,888.14 and 165,311,636.55

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Solution

The fourth proportional to 361,987,930.86, 543,148,888.14 and 165,311,636.55 is: 248,043,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,987,930.86 : 543,148,888.14 = 165,311,636.55 : x
  2. Step 2: Convert to fraction form
    361,987,930.86/543,148,888.14 = 165,311,636.55/x
  3. Step 3: Cross multiply
    361,987,930.86x = 543,148,888.14 × 165,311,636.55
  4. Step 4: Simplify right side
    361,987,930.86x = 89,788,831,588,736,288
  5. Step 5: Solve for x
    x = 89,788,831,588,736,288/361,987,930.86
  6. Step 6: Final answer
    x = 248,043,716.20

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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.