Home / 196,697,700.39-271,478,367.14-117,317,855.91

Finding the Fourth Proportional to 196,697,700.39, 271,478,367.14 and 117,317,855.91

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Solution

The fourth proportional to 196,697,700.39, 271,478,367.14 and 117,317,855.91 is: 161,919,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,697,700.39 : 271,478,367.14 = 117,317,855.91 : x
  2. Step 2: Convert to fraction form
    196,697,700.39/271,478,367.14 = 117,317,855.91/x
  3. Step 3: Cross multiply
    196,697,700.39x = 271,478,367.14 × 117,317,855.91
  4. Step 4: Simplify right side
    196,697,700.39x = 31,849,259,958,226,008
  5. Step 5: Solve for x
    x = 31,849,259,958,226,008/196,697,700.39
  6. Step 6: Final answer
    x = 161,919,838.90

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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.