Home / 137,665,813.48-206,542,401.90-40,621,994.44

Finding the Fourth Proportional to 137,665,813.48, 206,542,401.90 and 40,621,994.44

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Solution

The fourth proportional to 137,665,813.48, 206,542,401.90 and 40,621,994.44 is: 60,945,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,665,813.48 : 206,542,401.90 = 40,621,994.44 : x
  2. Step 2: Convert to fraction form
    137,665,813.48/206,542,401.90 = 40,621,994.44/x
  3. Step 3: Cross multiply
    137,665,813.48x = 206,542,401.90 × 40,621,994.44
  4. Step 4: Simplify right side
    137,665,813.48x = 8,390,164,300,937,357
  5. Step 5: Solve for x
    x = 8,390,164,300,937,357/137,665,813.48
  6. Step 6: Final answer
    x = 60,945,881.11

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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.