Home / 218,628,078.40-327,942,117.60-89,192,670.40

Finding the Fourth Proportional to 218,628,078.40, 327,942,117.60 and 89,192,670.40

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Solution

The fourth proportional to 218,628,078.40, 327,942,117.60 and 89,192,670.40 is: 133,789,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,628,078.40 : 327,942,117.60 = 89,192,670.40 : x
  2. Step 2: Convert to fraction form
    218,628,078.40/327,942,117.60 = 89,192,670.40/x
  3. Step 3: Cross multiply
    218,628,078.40x = 327,942,117.60 × 89,192,670.40
  4. Step 4: Simplify right side
    218,628,078.40x = 29,250,033,205,374,844
  5. Step 5: Solve for x
    x = 29,250,033,205,374,844/218,628,078.40
  6. Step 6: Final answer
    x = 133,789,005.60

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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.