Home / 118,298,128.46-177,288,578.15-92,068,636.77

Finding the Fourth Proportional to 118,298,128.46, 177,288,578.15 and 92,068,636.77

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Solution

The fourth proportional to 118,298,128.46, 177,288,578.15 and 92,068,636.77 is: 137,979,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,298,128.46 : 177,288,578.15 = 92,068,636.77 : x
  2. Step 2: Convert to fraction form
    118,298,128.46/177,288,578.15 = 92,068,636.77/x
  3. Step 3: Cross multiply
    118,298,128.46x = 177,288,578.15 × 92,068,636.77
  4. Step 4: Simplify right side
    118,298,128.46x = 16,322,717,704,701,766
  5. Step 5: Solve for x
    x = 16,322,717,704,701,766/118,298,128.46
  6. Step 6: Final answer
    x = 137,979,509.21

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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.