Home / 207,405,385.11-286,216,090.79-113,317,511.09

Finding the Fourth Proportional to 207,405,385.11, 286,216,090.79 and 113,317,511.09

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Solution

The fourth proportional to 207,405,385.11, 286,216,090.79 and 113,317,511.09 is: 156,376,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,405,385.11 : 286,216,090.79 = 113,317,511.09 : x
  2. Step 2: Convert to fraction form
    207,405,385.11/286,216,090.79 = 113,317,511.09/x
  3. Step 3: Cross multiply
    207,405,385.11x = 286,216,090.79 × 113,317,511.09
  4. Step 4: Simplify right side
    207,405,385.11x = 32,433,295,040,234,604
  5. Step 5: Solve for x
    x = 32,433,295,040,234,604/207,405,385.11
  6. Step 6: Final answer
    x = 156,376,340.10

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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.