Home / 117,540,711.05-162,196,539.68-69,197,716.86

Finding the Fourth Proportional to 117,540,711.05, 162,196,539.68 and 69,197,716.86

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Solution

The fourth proportional to 117,540,711.05, 162,196,539.68 and 69,197,716.86 is: 95,487,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,540,711.05 : 162,196,539.68 = 69,197,716.86 : x
  2. Step 2: Convert to fraction form
    117,540,711.05/162,196,539.68 = 69,197,716.86/x
  3. Step 3: Cross multiply
    117,540,711.05x = 162,196,539.68 × 69,197,716.86
  4. Step 4: Simplify right side
    117,540,711.05x = 11,223,630,228,468,926
  5. Step 5: Solve for x
    x = 11,223,630,228,468,926/117,540,711.05
  6. Step 6: Final answer
    x = 95,487,173.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.