Home / 139,589,617.11-209,385,564.72-47,494,285.30

Finding the Fourth Proportional to 139,589,617.11, 209,385,564.72 and 47,494,285.30

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Solution

The fourth proportional to 139,589,617.11, 209,385,564.72 and 47,494,285.30 is: 71,241,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,589,617.11 : 209,385,564.72 = 47,494,285.30 : x
  2. Step 2: Convert to fraction form
    139,589,617.11/209,385,564.72 = 47,494,285.30/x
  3. Step 3: Cross multiply
    139,589,617.11x = 209,385,564.72 × 47,494,285.30
  4. Step 4: Simplify right side
    139,589,617.11x = 9,944,617,748,863,842
  5. Step 5: Solve for x
    x = 9,944,617,748,863,842/139,589,617.11
  6. Step 6: Final answer
    x = 71,241,815.51

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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.