Home / 149,015,626.89-205,648,336.94-82,940,357.22

Finding the Fourth Proportional to 149,015,626.89, 205,648,336.94 and 82,940,357.22

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Solution

The fourth proportional to 149,015,626.89, 205,648,336.94 and 82,940,357.22 is: 114,461,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,015,626.89 : 205,648,336.94 = 82,940,357.22 : x
  2. Step 2: Convert to fraction form
    149,015,626.89/205,648,336.94 = 82,940,357.22/x
  3. Step 3: Cross multiply
    149,015,626.89x = 205,648,336.94 × 82,940,357.22
  4. Step 4: Simplify right side
    149,015,626.89x = 17,056,546,527,087,820
  5. Step 5: Solve for x
    x = 17,056,546,527,087,820/149,015,626.89
  6. Step 6: Final answer
    x = 114,461,462.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.