Home / 215,663,954.64-323,782,915.84-113,499,736.80

Finding the Fourth Proportional to 215,663,954.64, 323,782,915.84 and 113,499,736.80

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Solution

The fourth proportional to 215,663,954.64, 323,782,915.84 and 113,499,736.80 is: 170,400,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,663,954.64 : 323,782,915.84 = 113,499,736.80 : x
  2. Step 2: Convert to fraction form
    215,663,954.64/323,782,915.84 = 113,499,736.80/x
  3. Step 3: Cross multiply
    215,663,954.64x = 323,782,915.84 × 113,499,736.80
  4. Step 4: Simplify right side
    215,663,954.64x = 36,749,275,728,176,544
  5. Step 5: Solve for x
    x = 36,749,275,728,176,544/215,663,954.64
  6. Step 6: Final answer
    x = 170,400,639.22

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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.