Home / 81,073,173.10-111,881,086.77-43,903,517.53

Finding the Fourth Proportional to 81,073,173.10, 111,881,086.77 and 43,903,517.53

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Solution

The fourth proportional to 81,073,173.10, 111,881,086.77 and 43,903,517.53 is: 60,586,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073,173.10 : 111,881,086.77 = 43,903,517.53 : x
  2. Step 2: Convert to fraction form
    81,073,173.10/111,881,086.77 = 43,903,517.53/x
  3. Step 3: Cross multiply
    81,073,173.10x = 111,881,086.77 × 43,903,517.53
  4. Step 4: Simplify right side
    81,073,173.10x = 4,911,973,254,282,146
  5. Step 5: Solve for x
    x = 4,911,973,254,282,146/81,073,173.10
  6. Step 6: Final answer
    x = 60,586,912.62

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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.