Home / 139,968,109.10-209,952,163.65-117,797,177.90

Finding the Fourth Proportional to 139,968,109.10, 209,952,163.65 and 117,797,177.90

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Solution

The fourth proportional to 139,968,109.10, 209,952,163.65 and 117,797,177.90 is: 176,695,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,109.10 : 209,952,163.65 = 117,797,177.90 : x
  2. Step 2: Convert to fraction form
    139,968,109.10/209,952,163.65 = 117,797,177.90/x
  3. Step 3: Cross multiply
    139,968,109.10x = 209,952,163.65 × 117,797,177.90
  4. Step 4: Simplify right side
    139,968,109.10x = 24,731,772,371,968,964
  5. Step 5: Solve for x
    x = 24,731,772,371,968,964/139,968,109.10
  6. Step 6: Final answer
    x = 176,695,766.85

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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.