Home / 98,419,409.28-135,816,153.44-54,365,459.96

Finding the Fourth Proportional to 98,419,409.28, 135,816,153.44 and 54,365,459.96

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Solution

The fourth proportional to 98,419,409.28, 135,816,153.44 and 54,365,459.96 is: 75,022,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419,409.28 : 135,816,153.44 = 54,365,459.96 : x
  2. Step 2: Convert to fraction form
    98,419,409.28/135,816,153.44 = 54,365,459.96/x
  3. Step 3: Cross multiply
    98,419,409.28x = 135,816,153.44 × 54,365,459.96
  4. Step 4: Simplify right side
    98,419,409.28x = 7,383,707,651,831,249
  5. Step 5: Solve for x
    x = 7,383,707,651,831,249/98,419,409.28
  6. Step 6: Final answer
    x = 75,022,881.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.