Home / 218,617,830.20-327,943,698.60-73,051,912.10

Finding the Fourth Proportional to 218,617,830.20, 327,943,698.60 and 73,051,912.10

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Solution

The fourth proportional to 218,617,830.20, 327,943,698.60 and 73,051,912.10 is: 109,583,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,617,830.20 : 327,943,698.60 = 73,051,912.10 : x
  2. Step 2: Convert to fraction form
    218,617,830.20/327,943,698.60 = 73,051,912.10/x
  3. Step 3: Cross multiply
    218,617,830.20x = 327,943,698.60 × 73,051,912.10
  4. Step 4: Simplify right side
    218,617,830.20x = 23,956,914,243,876,092
  5. Step 5: Solve for x
    x = 23,956,914,243,876,092/218,617,830.20
  6. Step 6: Final answer
    x = 109,583,533.15

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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.