Home / 75,139,451.56-112,630,512.82-31,445,244.44

Finding the Fourth Proportional to 75,139,451.56, 112,630,512.82 and 31,445,244.44

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Solution

The fourth proportional to 75,139,451.56, 112,630,512.82 and 31,445,244.44 is: 47,134,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139,451.56 : 112,630,512.82 = 31,445,244.44 : x
  2. Step 2: Convert to fraction form
    75,139,451.56/112,630,512.82 = 31,445,244.44/x
  3. Step 3: Cross multiply
    75,139,451.56x = 112,630,512.82 × 31,445,244.44
  4. Step 4: Simplify right side
    75,139,451.56x = 3,541,694,007,027,453.50
  5. Step 5: Solve for x
    x = 3,541,694,007,027,453.50/75,139,451.56
  6. Step 6: Final answer
    x = 47,134,946.20

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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.