Home / 129,177,216-193,765,824-52,541,936.64

Finding the Fourth Proportional to 129,177,216, 193,765,824 and 52,541,936.64

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Solution

The fourth proportional to 129,177,216, 193,765,824 and 52,541,936.64 is: 78,812,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,177,216 : 193,765,824 = 52,541,936.64 : x
  2. Step 2: Convert to fraction form
    129,177,216/193,765,824 = 52,541,936.64/x
  3. Step 3: Cross multiply
    129,177,216x = 193,765,824 × 52,541,936.64
  4. Step 4: Simplify right side
    129,177,216x = 10,180,831,647,605,392
  5. Step 5: Solve for x
    x = 10,180,831,647,605,392/129,177,216
  6. Step 6: Final answer
    x = 78,812,904.96

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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.