Home / 203,586,602.40-305,365,906.80-65,410,192.80

Finding the Fourth Proportional to 203,586,602.40, 305,365,906.80 and 65,410,192.80

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Solution

The fourth proportional to 203,586,602.40, 305,365,906.80 and 65,410,192.80 is: 98,110,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,586,602.40 : 305,365,906.80 = 65,410,192.80 : x
  2. Step 2: Convert to fraction form
    203,586,602.40/305,365,906.80 = 65,410,192.80/x
  3. Step 3: Cross multiply
    203,586,602.40x = 305,365,906.80 × 65,410,192.80
  4. Step 4: Simplify right side
    203,586,602.40x = 19,974,042,838,334,832
  5. Step 5: Solve for x
    x = 19,974,042,838,334,832/203,586,602.40
  6. Step 6: Final answer
    x = 98,110,792.18

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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.