Home / 139,968,107.10-209,952,160.65-117,797,175.90

Finding the Fourth Proportional to 139,968,107.10, 209,952,160.65 and 117,797,175.90

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Solution

The fourth proportional to 139,968,107.10, 209,952,160.65 and 117,797,175.90 is: 176,695,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,107.10 : 209,952,160.65 = 117,797,175.90 : x
  2. Step 2: Convert to fraction form
    139,968,107.10/209,952,160.65 = 117,797,175.90/x
  3. Step 3: Cross multiply
    139,968,107.10x = 209,952,160.65 × 117,797,175.90
  4. Step 4: Simplify right side
    139,968,107.10x = 24,731,771,598,673,112
  5. Step 5: Solve for x
    x = 24,731,771,598,673,112/139,968,107.10
  6. Step 6: Final answer
    x = 176,695,763.85

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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.