Home / 137,665,454.54-206,503,880.62-40,621,160.28

Finding the Fourth Proportional to 137,665,454.54, 206,503,880.62 and 40,621,160.28

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Solution

The fourth proportional to 137,665,454.54, 206,503,880.62 and 40,621,160.28 is: 60,933,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,665,454.54 : 206,503,880.62 = 40,621,160.28 : x
  2. Step 2: Convert to fraction form
    137,665,454.54/206,503,880.62 = 40,621,160.28/x
  3. Step 3: Cross multiply
    137,665,454.54x = 206,503,880.62 × 40,621,160.28
  4. Step 4: Simplify right side
    137,665,454.54x = 8,388,427,232,903,901
  5. Step 5: Solve for x
    x = 8,388,427,232,903,901/137,665,454.54
  6. Step 6: Final answer
    x = 60,933,421.98

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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.