Home / 118,297,511,786.77-177,447,630,818.11-42,756,399,483.64

Finding the Fourth Proportional to 118,297,511,786.77, 177,447,630,818.11 and 42,756,399,483.64

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Solution

The fourth proportional to 118,297,511,786.77, 177,447,630,818.11 and 42,756,399,483.64 is: 64,135,091,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,297,511,786.77 : 177,447,630,818.11 = 42,756,399,483.64 : x
  2. Step 2: Convert to fraction form
    118,297,511,786.77/177,447,630,818.11 = 42,756,399,483.64/x
  3. Step 3: Cross multiply
    118,297,511,786.77x = 177,447,630,818.11 × 42,756,399,483.64
  4. Step 4: Simplify right side
    118,297,511,786.77x = 7,587,021,790,684,579,364,864
  5. Step 5: Solve for x
    x = 7,587,021,790,684,579,364,864/118,297,511,786.77
  6. Step 6: Final answer
    x = 64,135,091,905.91

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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.