Home / 51,785,832.60-77,670,087.57-18,989,624.34

Finding the Fourth Proportional to 51,785,832.60, 77,670,087.57 and 18,989,624.34

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Solution

The fourth proportional to 51,785,832.60, 77,670,087.57 and 18,989,624.34 is: 28,481,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,832.60 : 77,670,087.57 = 18,989,624.34 : x
  2. Step 2: Convert to fraction form
    51,785,832.60/77,670,087.57 = 18,989,624.34/x
  3. Step 3: Cross multiply
    51,785,832.60x = 77,670,087.57 × 18,989,624.34
  4. Step 4: Simplify right side
    51,785,832.60x = 1,474,925,785,409,203.25
  5. Step 5: Solve for x
    x = 1,474,925,785,409,203.25/51,785,832.60
  6. Step 6: Final answer
    x = 28,481,260.44

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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.